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MCG-NJU

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OVBench

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Multimedia Computing Group-Nanjing University 31

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 45, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'add ice cubes'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 65, "options": [ "A. shake and juice", "B. cover with some soil", "C. put strawberries and other fruits into the juicer", "D. pump up to the tire" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 71, "options": [ "A. 24-25s", "B. 9-10s", "C. 12-13s", "D. 22-23s" ], "question": "How long has the person in the scene been performing the 'shake and juice'?", "sub_answer_type": "Step Localization" } ]

[ 0, 71 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 132, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'raise the jack up'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 155, "options": [ "A. 42-43s", "B. 11-12s", "C. 7-8s", "D. 26-27s" ], "question": "How long has the person in the scene been performing the 'let the jack down'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 173, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'change bike chain'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 173 ]

[ { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 63, "options": [ "A. practise karate", "B. practise skiing aerials", "C. practise weight lift", "D. practise triple jump" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 65, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'do the third jump'?", "sub_answer_type": "Step Verification" } ]

[ 0, 65 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 50, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'prepare the soil carefully'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 144, "options": [ "A. sow on the soil -> water and fertilize the seeds -> prepare the soil carefully", "B. prepare the soil carefully -> sow on the soil -> water and fertilize the seeds", "C. sow on the soil -> prepare the soil carefully -> apply a cover on the soil", "D. prepare the soil carefully -> water and fertilize the seeds -> sow on the soil" ], "question": "What actions did the person perform in sequence in the last 120 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 151, "options": [ "A. 13-14s", "B. 8-9s", "C. 54-55s", "D. 17-18s" ], "question": "How long has the person in the scene been performing the 'sow on the soil'?", "sub_answer_type": "Step Localization" } ]

[ 0, 151 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 68, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'install the new bolt'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 81, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace door knob'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 81 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 51, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'cut oranges'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 68, "options": [ "A. 16-17s", "B. 14-15s", "C. 19-20s", "D. 6-7s" ], "question": "How long has the person in the scene been performing the 'juice the oranges'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 114, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make chocolate'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 114 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 91, "options": [ "A. 23-24s", "B. 12-13s", "C. 6-7s", "D. 41-42s" ], "question": "How long has the person in the scene been performing the 'cut the raw materials'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 133, "options": [ "A. fold or bent the paper -> nail down or stick together", "B. draw pictures on the materials -> cut the raw materials -> fold or bent the paper", "C. cut the raw materials -> fold or bent the paper", "D. fold or bent the paper -> cut the raw materials -> fold or bent the paper" ], "question": "What actions did the person perform in sequence in the last 90 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 150, "options": [ "A. put the candle in the lantern", "B. nail down or stick together", "C. wipe nose", "D. drill with an electric drill" ], "question": "My goal is 'make chinese lantern'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 157, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'nail down or stick together'?", "sub_answer_type": "Step Verification" } ]

[ 0, 157 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 22, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'add a small amount of salt to Neti Pot'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 49, "options": [ "A. 17-18s", "B. 5-6s", "C. 24-25s", "D. 9-10s" ], "question": "How long has the person in the scene been performing the 'fill a nostril with saline and do the same to the other nostril'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 54, "options": [ "A. use neti pot", "B. shave beard", "C. bandage dog paw", "D. wear contact lenses" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 65, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'give an intramuscular injection'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 65 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 61, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'take out the shell'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 134, "options": [ "A. 34-35s", "B. 12-13s", "C. 6-7s", "D. 8-9s" ], "question": "How long has the person in the scene been performing the 'fit on the filter'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 135, "options": [ "A. place weighing sample on weighing pan and read", "B. fit on the filter", "C. pick up the back cover of the phone with the cymbal", "D. take out the filter" ], "question": "What actions was the person performing before the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 136, "options": [ "A. fit on the filter", "B. fix the ground nail", "C. lift the barbell directly over the head", "D. fit on the shell" ], "question": "My goal is 'replace filter for air purifier'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 136 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 92, "options": [ "A. 32-33s", "B. 5-6s", "C. 16-17s", "D. 14-15s" ], "question": "How long has the person in the scene been performing the 'process (crop, fold) paper'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 101, "options": [ "A. stick handle to paper basket", "B. remove the door knob", "C. process (crop, fold) paper", "D. install the motherboard" ], "question": "Which action did the person perform for the longest duration in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 102, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'stick handle to paper basket'?", "sub_answer_type": "Step Verification" } ]

[ 0, 102 ]

[ { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 153, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'clean wooden floor'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 157, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'use vacuum cleaner to clean'?", "sub_answer_type": "Step Verification" } ]

[ 0, 157 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 95, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'arrange the seperated wire'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 138, "options": [ "A. change battery of watch", "B. use tapping gun", "C. refill fountain pen", "D. make RJ45 cable" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 150, "options": [ "A. 29-30s", "B. 8-9s", "C. 6-7s", "D. 13-14s" ], "question": "How long has the person in the scene been performing the 'fixe it with a crimping pliers'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 160, "options": [ "A. reconnect the electric wire", "B. turn the suspension link", "C. insert it into the crystal head", "D. fixe it with a crimping pliers" ], "question": "What actions was the person performing before the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 160 ]

[ { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 22, "options": [ "A. 35-36s", "B. 12-13s", "C. 17-18s", "D. 15-16s" ], "question": "How long has the person in the scene been performing the 'peel'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 68, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'slice the pulp'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 91, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'cut cantaloupe'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 91 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 65, "options": [ "A. 15-16s", "B. 29-30s", "C. 41-42s", "D. 10-11s" ], "question": "How long has the person in the scene been performing the 'clean wall with a clean cloth'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 72, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'clean wall with a clean cloth'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 74, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make bed'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 74 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 108, "options": [ "A. 17-18s", "B. 53-54s", "C. 11-12s", "D. 24-25s" ], "question": "How long has the person in the scene been performing the 'fit on the boards'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 118, "options": [ "A. prepare the ground floor", "B. make the hair dry", "C. knock in the nails", "D. buckle the cap" ], "question": "My goal is 'install wood flooring'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 120, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fit on the boards'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 147, "options": [ "A. fit on the boards", "B. knock in the nails", "C. rotate body and accelerate the hammer", "D. rub and drag the materials" ], "question": "What actions was the person performing before the last 120 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 147 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 95, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'press the corresponding button'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 96, "options": [ "A. 16-17s", "B. 12-13s", "C. 6-7s", "D. 79-80s" ], "question": "How long has the person in the scene been performing the 'press the corresponding button'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 138, "options": [ "A. screw gun head back", "B. close cans", "C. press the corresponding button", "D. take out the goods" ], "question": "My goal is 'use vending machine'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 165, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace graphics card'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 165 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 116, "options": [ "A. 21-22s", "B. 15-16s", "C. 12-13s", "D. 29-30s" ], "question": "How long has the person in the scene been performing the 'pull up the hair to reserve place for the hair extensions'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 159, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pull up the hair to reserve place for the hair extensions'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 188, "options": [ "A. install the light socket", "B. fixe it with a crimping pliers", "C. put down the hair and comb", "D. put on the hair extensions" ], "question": "My goal is 'put on hair extensions'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 207, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'put on hair extensions'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 207 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 106, "options": [ "A. 13-14s", "B. 7-8s", "C. 21-22s", "D. 23-24s" ], "question": "How long has the person in the scene been performing the 'pull out the screen connector and remove the screen'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 145, "options": [ "A. install the new screen", "B. tile the wall", "C. nail down or stick together", "D. take out the battery" ], "question": "What actions was the person performing before the last 15 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 146.5, "options": [ "A. put the pin in", "B. reset and screw on the screws", "C. unscrew the screws used to fix the screen", "D. shoot towards the basket" ], "question": "My goal is 'replace laptop screen'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 155.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'reset and screw on the screws'?", "sub_answer_type": "Step Verification" } ]

[ 0, 155.5 ]

[ { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 33, "options": [ "A. take out the fuse", "B. melt the soap block", "C. open up the cover", "D. set up the brackets" ], "question": "What actions was the person performing before the last 15 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 92, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'open up the cover'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 94, "options": [ "A. reveal the glue from the face", "B. take out the fuse", "C. close up the cover", "D. wipe the screen" ], "question": "My goal is 'replace car fuse'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 115, "options": [ "A. 22-23s", "B. 30-31s", "C. 15-16s", "D. 19-20s" ], "question": "How long has the person in the scene been performing the 'close up the cover'?", "sub_answer_type": "Step Localization" } ]

[ 0, 115 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 67, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'remove the old memory chip'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 88, "options": [ "A. cut the packing paper", "B. fit on the shell", "C. remove the old memory chip", "D. screw gun head back" ], "question": "What actions was the person performing before the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 92, "options": [ "A. 7-8s", "B. 11-12s", "C. 38-39s", "D. 24-25s" ], "question": "How long has the person in the scene been performing the 'fit on the shell'?", "sub_answer_type": "Step Localization" } ]

[ 0, 92 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 36, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'take out the goods'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 63, "options": [ "A. replace laptop screen", "B. use vending machine", "C. replace memory chip", "D. use sewing machine" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 69, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use vending machine'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 69 ]

[ { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 129, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use rice cooker to cook rice'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 131, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put in the oil to fry'?", "sub_answer_type": "Step Verification" } ]

[ 0, 131 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 35, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pour some glue to the face'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 47, "options": [ "A. 9-10s", "B. 11-12s", "C. 17-18s", "D. 5-6s" ], "question": "How long has the person in the scene been performing the 'wipe the glue to a layer'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 63, "options": [ "A. 166-167s", "B. 14-15s", "C. 5-6s", "D. 25-26s" ], "question": "How long has the person been performing the 'wipe the glue to a layer' in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 63 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 9, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'circle the rope under the bolt'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 25, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'tie boat to dock'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 25 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 15, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'connect branches'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 28, "options": [ "A. 25-26s", "B. 5-6s", "C. 21-22s", "D. 16-17s" ], "question": "How long has the person in the scene been performing the 'wind the junction to fasten the connection'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 33, "options": [ "A. 21-22s", "B. 23-24s", "C. 14-15s", "D. 26-27s" ], "question": "How long has the person been performing the 'wind the junction to fasten the connection' in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 33 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 55, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the ingredients into the can'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 102, "options": [ "A. 20-21s", "B. 5-6s", "C. 9-10s", "D. 12-13s" ], "question": "How long has the person in the scene been performing the 'close cans'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 104, "options": [ "A. cook omelet", "B. clean fish", "C. make pickles", "D. smash garlic" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 104 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 56, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the sample to be measured on the balance'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 75, "options": [ "A. 11-12s", "B. 22-23s", "C. 15-16s", "D. 7-8s" ], "question": "How long has the person in the scene been performing the 'put the weight until the balance is balanced'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 93, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make flower press'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 93 ]

[ { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 96, "options": [ "A. tear off the front of the sticker", "B. push the pin in", "C. tear off the other side of the sticker", "D. mix raw materials" ], "question": "My goal is 'paste car sticker'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 106, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'tear off the other side of the sticker'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 112, "options": [ "A. 15-16s", "B. 17-18s", "C. 5-6s", "D. 10-11s" ], "question": "How long has the person in the scene been performing the 'tear off the other side of the sticker'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 115, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'paste car sticker'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 115 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 63, "options": [ "A. 15-16s", "B. 8-9s", "C. 18-19s", "D. 22-23s" ], "question": "How long has the person in the scene been performing the 'replace the old shower head'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 184, "options": [ "A. assemble office chair", "B. install shower head", "C. lubricate a lock", "D. install ceramic tile" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 189, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'install the new shower head'?", "sub_answer_type": "Step Verification" } ]

[ 0, 189 ]

[ { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 32, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'wash dish'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 36, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'clean wall with a clean cloth'?", "sub_answer_type": "Step Verification" } ]

[ 0, 36 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 72, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'circle the rope under the bolt'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 84, "options": [ "A. 15-16s", "B. 34-35s", "C. 11-12s", "D. 5-6s" ], "question": "How long has the person in the scene been performing the 'cross the rope to wrap the bolt'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 112, "options": [ "A. remove scratches from windshield", "B. install license plate frame", "C. tie boat to dock", "D. install bicycle rack" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 112 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 79, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'unscrew the screw'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 85, "options": [ "A. jack up the car", "B. unscrew the screw", "C. fill the solution to the mark", "D. press the chest of the patient" ], "question": "My goal is 'change car tire'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 107, "options": [ "A. 18-19s", "B. 15-16s", "C. 6-7s", "D. 10-11s" ], "question": "How long has the person in the scene been performing the 'remove the tire'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 119, "options": [ "A. unscrew the screw -> jack up the car -> put on the tire", "B. remove the tire -> unscrew the screw -> put on the tire", "C. put on the tire -> remove the tire -> unscrew the screw", "D. unscrew the screw -> remove the tire -> put on the tire" ], "question": "What actions did the person perform in sequence in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 119 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 202, "options": [ "A. 47-48s", "B. 14-15s", "C. 24-25s", "D. 8-9s" ], "question": "How long has the person in the scene been performing the 'arrange the seperated wire'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 210, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'arrange the seperated wire'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 270, "options": [ "A. replace sewing machine needle", "B. make wireless earbuds", "C. operate fire extinguisher", "D. make RJ45 cable" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 309, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make RJ45 cable'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 309 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 46, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'unscrew the screw'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 50, "options": [ "A. push curling", "B. tighten screws", "C. rub and drag the materials", "D. jack up the car" ], "question": "My goal is 'change car tire'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 52, "options": [ "A. remove the tire", "B. pour the ingredients into the bowl", "C. turn off the balde screw", "D. unscrew the screw" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 52 ]

[ { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 118, "options": [ "A. aim at the pin", "B. take out chocolate", "C. remove the old watch band and reconnect", "D. mix raw materials" ], "question": "My goal is 'make cookie'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 121, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pour raw materials'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 126, "options": [ "A. 5-6s", "B. 9-10s", "C. 19-20s", "D. 12-13s" ], "question": "How long has the person in the scene been performing the 'mix raw materials'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 132, "options": [ "A. knead the dough", "B. shape cookie", "C. twine round the thread", "D. pour raw materials" ], "question": "What actions was the person performing before the last 60 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 132 ]

[ { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 41, "options": [ "A. 52-53s", "B. 75-76s", "C. 12-13s", "D. 2-3s" ], "question": "How long has the person been performing the 'pull out the insurance ring' in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 45, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pull out the insurance ring'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 68, "options": [ "A. 28-29s", "B. 6-7s", "C. 11-12s", "D. 144-145s" ], "question": "How long has the person in the scene been performing the 'spray towards the fire'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 87, "options": [ "A. spray experimentally to check", "B. throw the hammer out", "C. pull out the insurance ring", "D. prepare and boil water" ], "question": "My goal is 'operate fire extinguisher'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 87 ]

[ { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 15, "options": [ "A. 10-11s", "B. 15-16s", "C. 13-14s", "D. 19-20s" ], "question": "How long has the person in the scene been performing the 'take out the wiper'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 21, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace a wiper head'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 23, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'install the wiper back'?", "sub_answer_type": "Step Verification" } ]

[ 0, 23 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 109, "options": [ "A. 34-35s", "B. 19-20s", "C. 12-13s", "D. 14-15s" ], "question": "How long has the person in the scene been performing the 'put in the oil to fry'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 125, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put in the oil to fry'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 127, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make french fries'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 127 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 9, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'power off'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 81, "options": [ "A. 14-15s", "B. 17-18s", "C. 9-10s", "D. 12-13s" ], "question": "How long has the person in the scene been performing the 'pick up the button'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 84, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace refrigerator water filter'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 84 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 34, "options": [ "A. 15-16s", "B. 27-28s", "C. 46-47s", "D. 7-8s" ], "question": "How long has the person in the scene been performing the 'assemble the cushion and the backrest'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 66.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'assemble the cushion and the backrest'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 78, "options": [ "A. clean the floor", "B. assemble the cushion and the backrest", "C. install the wheels for the base", "D. stir the mixture" ], "question": "My goal is 'assemble office chair'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 96, "options": [ "A. lubricate a lock", "B. assemble office chair", "C. replace door knob", "D. assemble bed" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 96 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 128, "options": [ "A. 51-52s", "B. 107-108s", "C. 14-15s", "D. 23-24s" ], "question": "How long has the person in the scene been performing the 'begin to practise karate'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 150, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'begin to practise karate'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 183, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'throw hammer'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 183 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 21, "options": [ "A. 8-9s", "B. 24-25s", "C. 28-29s", "D. 22-23s" ], "question": "How long has the person in the scene been performing the 'correct the balance zero'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 37, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the sample to be measured on the balance'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 115, "options": [ "A. adjust the balance to the horizontal position -> correct the balance zero -> put the weight until the balance is balanced", "B. put the weight until the balance is balanced -> put the sample to be measured on the balance -> correct the balance zero", "C. put the weight until the balance is balanced -> adjust the balance to the horizontal position -> correct the balance zero", "D. correct the balance zero -> put the sample to be measured on the balance -> put the weight until the balance is balanced" ], "question": "What actions did the person perform in sequence in the last 90 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 115 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 113, "options": [ "A. 5-6s", "B. 7-8s", "C. 10-11s", "D. 30-31s" ], "question": "How long has the person in the scene been performing the 'pull out the needle and press'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 134, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pull out the needle and press'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 135, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'give an intramuscular injection'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 135 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 18, "options": [ "A. 14-15s", "B. 23-24s", "C. 33-34s", "D. 6-7s" ], "question": "How long has the person in the scene been performing the 'make the detergent'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 26, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'make the detergent'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 36, "options": [ "A. make the detergent", "B. wipe the detergent", "C. cut off and remove the old string", "D. apply detergent" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 36 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 58, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'power off'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 108, "options": [ "A. clean laptop keyboard", "B. refill cartridge", "C. use sewing machine", "D. replace hard disk" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 108 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 68, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'measure and label the lantern'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 131, "options": [ "A. fold or bent the paper", "B. brew the coffee beans", "C. shave roughly on the face", "D. cut the raw materials" ], "question": "Which action did the person perform for the longest duration in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 193, "options": [ "A. 24-25s", "B. 17-18s", "C. 8-9s", "D. 15-16s" ], "question": "How long has the person in the scene been performing the 'nail down or stick together'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 195, "options": [ "A. draw pictures on the materials", "B. fold or bent the paper", "C. put the hamster into the hamster cage", "D. wind the junction to fasten the connection" ], "question": "My goal is 'make chinese lantern'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 195 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 100, "options": [ "A. 29-30s", "B. 33-34s", "C. 8-9s", "D. 14-15s" ], "question": "How long has the person in the scene been performing the 'fold the edges of the paper'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 108, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fold the edges of the paper'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 199, "options": [ "A. show the whole rope again", "B. fix the wind mill on the bracket", "C. mix raw materials", "D. fold the edges of the paper" ], "question": "My goal is 'make paper wind mill'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 203, "options": [ "A. fold the edges of the paper -> fold the squares inward and fix them -> cut along the edges -> fix the wind mill on the bracket", "B. fold the edges of the paper -> fix the wind mill on the bracket -> fold the squares inward and fix them -> cut along the edges", "C. fold the squares inward and fix them -> fold the edges of the paper -> fix the wind mill on the bracket -> cut along the edges", "D. fold the edges of the paper -> cut along the edges -> fold the squares inward and fix them -> fix the wind mill on the bracket" ], "question": "What actions did the person perform in sequence in the last 120 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 203 ]

[ { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 27, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make salmon'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 30, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'remove the vein'?", "sub_answer_type": "Step Verification" } ]

[ 0, 30 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 149, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'spray towards the fire'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 151, "options": [ "A. load grease gun", "B. make RJ45 cable", "C. operate fire extinguisher", "D. replace mobile screen protector" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 151, "options": [ "A. 13-14s", "B. 6-7s", "C. 38-39s", "D. 72-73s" ], "question": "How long has the person in the scene been performing the 'spray towards the fire'?", "sub_answer_type": "Step Localization" } ]

[ 0, 151 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 16, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'remove the light socket and disconnect the wire'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 105, "options": [ "A. fold the edges of the paper", "B. install the bulb and light housing or shell", "C. twist the paperclips by hands", "D. remove the light housing or shell and bulb" ], "question": "My goal is 'replace light socket'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 108, "options": [ "A. install the bulb and light housing or shell", "B. remove the light socket and disconnect the wire", "C. connect the wire again", "D. install the light socket" ], "question": "What actions did the person not perform in the last 90 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 108 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 57, "options": [ "A. 29-30s", "B. 8-9s", "C. 21-22s", "D. 27-28s" ], "question": "How long has the person in the scene been performing the 'put the filler on the bread slice'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 115, "options": [ "A. add milk", "B. cut into small pieces", "C. show the vanished glass", "D. prepare the filler" ], "question": "My goal is 'make sandwich'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 125, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'cut into small pieces'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 132, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'make sandwich'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 132 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 30.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fill a nostril with saline and do the same to the other nostril'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 35.5, "options": [ "A. shave beard", "B. use neti pot", "C. give an intramuscular injection", "D. wash dog" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 38, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use neti pot'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 38 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 77, "options": [ "A. 9-10s", "B. 12-13s", "C. 15-16s", "D. 19-20s" ], "question": "How long has the person in the scene been performing the 'fill with some soil'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 144, "options": [ "A. plant tree", "B. cut mango", "C. cut cantaloupe", "D. transplant" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 170, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fill with some soil'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 176, "options": [ "A. put in the plant", "B. soak them in water", "C. fill with some soil", "D. screw gun head back" ], "question": "What actions was the person performing before the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 176 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 102, "options": [ "A. 10-11s", "B. 22-23s", "C. 7-8s", "D. 15-16s" ], "question": "How long has the person in the scene been performing the 'install the new screen'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 133, "options": [ "A. reset and screw on the screws", "B. clean the floor", "C. hang up curtains", "D. unscrew the screws used to fix the screen" ], "question": "My goal is 'replace laptop screen'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 147, "options": [ "A. install the new screen -> unscrew the screws used to fix the screen -> pull out the screen connector and remove the screen -> reset and screw on the screws", "B. take out the battery -> reset and screw on the screws -> pull out the screen connector and remove the screen -> unscrew the screws used to fix the screen", "C. install the new screen -> pull out the screen connector and remove the screen -> unscrew the screws used to fix the screen -> reset and screw on the screws", "D. unscrew the screws used to fix the screen -> pull out the screen connector and remove the screen -> install the new screen -> reset and screw on the screws" ], "question": "What actions did the person perform in sequence in the last 90 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 192.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'reset and screw on the screws'?", "sub_answer_type": "Step Verification" } ]

[ 0, 192.5 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 16, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'wet and wash hands'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 39, "options": [ "A. 13-14s", "B. 15-16s", "C. 18-19s", "D. 20-21s" ], "question": "How long has the person in the scene been performing the 'wear the contact lenses'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 44, "options": [ "A. wear the contact lenses", "B. add some cleaner to clean and wet the lenses and take out the lenses", "C. add water into the volumetric flask to the tick line", "D. brew the coffee beans" ], "question": "What actions was the person performing before the last 15 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 62, "options": [ "A. wear the contact lenses", "B. wet and wash hands", "C. connect the water pipe", "D. clean the floor" ], "question": "My goal is 'wear contact lenses'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 62 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 87, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pump up the fuel'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 168, "options": [ "A. resize watch band", "B. refill mechanical pencils", "C. refill a lighter", "D. refill fountain pen" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 181, "options": [ "A. shake and juice", "B. fold or bent paper", "C. pump up the fuel", "D. press the fuel nozzle" ], "question": "Which action did the person perform for the longest duration in the last 150 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 181 ]

[ { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 172, "options": [ "A. fit on the filter -> remove the old graphics card -> install the new graphics card", "B. fit on the shell -> take out the shell -> install the new graphics card", "C. install the new graphics card -> take out the shell -> take out the filter", "D. take out the shell -> remove the old graphics card -> install the new graphics card" ], "question": "What actions did the person perform in sequence in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 174, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'install the new graphics card'?", "sub_answer_type": "Step Verification" } ]

[ 0, 174 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 18, "options": [ "A. 11-12s", "B. 7-8s", "C. 15-16s", "D. 13-14s" ], "question": "How long has the person in the scene been performing the 'rub and drag the materials'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 56, "options": [ "A. mix the raw materials", "B. add different kinds of ingredients", "C. nail down or stick together", "D. tile the wall" ], "question": "My goal is 'make slime with glue'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 97, "options": [ "A. rub and drag the materials", "B. pour the noodles into the water and stir", "C. mix the raw materials", "D. add different kinds of ingredients" ], "question": "What actions did the person not perform in the last 90 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 150, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'mix the raw materials'?", "sub_answer_type": "Step Verification" } ]

[ 0, 150 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 98, "options": [ "A. 30-31s", "B. 6-7s", "C. 9-10s", "D. 49-50s" ], "question": "How long has the person in the scene been performing the 'begin to practise karate'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 153, "options": [ "A. cut paper", "B. exit from the area and salute", "C. march into the area and salute", "D. decorate the ice cream" ], "question": "My goal is 'practise karate'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 161, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'practise pole vault'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 164, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'exit from the area and salute'?", "sub_answer_type": "Step Verification" } ]

[ 0, 164 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 58, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put in a new grease container'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 66, "options": [ "A. change mobile phone battery", "B. make RJ45 cable", "C. load grease gun", "D. rewrap battery" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 87, "options": [ "A. refill fountain pen", "B. replace battery on key to car", "C. load grease gun", "D. operate fire extinguisher" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 87 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 79, "options": [ "A. 12-13s", "B. 16-17s", "C. 14-15s", "D. 24-25s" ], "question": "How long has the person in the scene been performing the 'install the new memory chip'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 80, "options": [ "A. take out the shell", "B. exit from the area and salute", "C. install the back cover and waterproof ring", "D. fit on the shell" ], "question": "My goal is 'replace memory chip'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 84, "options": [ "A. remove the old memory chip -> take out the shell -> fit on the shell", "B. install the new memory chip -> remove the old memory chip -> fit on the shell", "C. remove the old memory chip -> install the new memory chip -> fit on the shell", "D. take out the shell -> remove the old memory chip -> fit on the shell" ], "question": "What actions did the person perform in sequence in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 95, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fit on the shell'?", "sub_answer_type": "Step Verification" } ]

[ 0, 95 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 45, "options": [ "A. 9-10s", "B. 14-15s", "C. 40-41s", "D. 74-75s" ], "question": "How long has the person in the scene been performing the 'unload the wheel'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 51, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'unload the wheel'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 66, "options": [ "A. replace car fuse", "B. replace a wiper head", "C. change bike tires", "D. install bicycle rack" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 66 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 16, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'line up for admission'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 69, "options": [ "A. raise the national flag", "B. line up for admission", "C. fold or bent the paper", "D. expand the flag" ], "question": "What actions did the person not perform in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 70, "options": [ "A. replace drumhead", "B. raise flag", "C. blow sugar", "D. make paper easter baskets" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 75, "options": [ "A. 18-19s", "B. 13-14s", "C. 35-36s", "D. 6-7s" ], "question": "How long has the person in the scene been performing the 'raise the national flag'?", "sub_answer_type": "Step Localization" } ]

[ 0, 75 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 22, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'apply the shampoo or hair conditioner'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 72, "options": [ "A. scratch the hair carefully", "B. comb the hair with a comb", "C. pour some glue to the face", "D. pour raw materials" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 138.5, "options": [ "A. wet and wash the hair", "B. wind legs with bandage", "C. apply the shampoo or hair conditioner", "D. remove the air nozzle" ], "question": "My goal is 'wash hair'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 138.5 ]

[ { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 44, "options": [ "A. 21-22s", "B. 25-26s", "C. 7-8s", "D. 10-11s" ], "question": "How long has the person in the scene been performing the 'take out the laptop CD drive'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 47, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'take out the laptop CD drive'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 64, "options": [ "A. refill fountain pen", "B. change battery of watch", "C. replace CD drive with SSD", "D. change mobile phone battery" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 64 ]

[ { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 43, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use toaster'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 48, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'take out the slice of bread'?", "sub_answer_type": "Step Verification" } ]

[ 0, 48 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 41, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fit on the boards'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 111, "options": [ "A. apply some glue on the borads -> fit on the boards -> prepare the ground floor", "B. cut the raw boards -> fit on the boards -> apply some glue on the borads", "C. fit on the boards -> apply some glue on the borads -> fit on the boards -> fit on the boards", "D. fit on the boards -> prepare the ground floor -> apply some glue on the borads" ], "question": "What actions did the person perform in sequence in the last 90 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 136, "options": [ "A. 10-11s", "B. 13-14s", "C. 25-26s", "D. 18-19s" ], "question": "How long has the person in the scene been performing the 'fit on the boards'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 151, "options": [ "A. lubricate a lock", "B. replace faucet", "C. install wood flooring", "D. replace toilet seat" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 151 ]

[ { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 39, "options": [ "A. pass the basketball into the hole at the first time -> dribble and lay up -> dribble in the field", "B. dribble and lay up -> dribble in the field -> pass the basketball into the hole at the first time", "C. pass the basketball into the hole at the first time -> dribble in the field -> dribble and lay up", "D. dribble and lay up -> pass the basketball into the hole at the first time -> shoot towards the basket" ], "question": "What actions did the person perform in sequence in the last 15 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 40, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'dribble and lay up'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 170, "options": [ "A. lift the barbell from the chin over the head", "B. put inner tube back", "C. shoot towards the basket", "D. dribble in the field" ], "question": "My goal is 'attend NBA skills challenge'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 170 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 45, "options": [ "A. 51-52s", "B. 11-12s", "C. 18-19s", "D. 14-15s" ], "question": "How long has the person in the scene been performing the 'add seasoning'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 115, "options": [ "A. cook omelet", "B. make salmon", "C. smash garlic", "D. boil noodles" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 119, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'add seasoning on the salmon'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 133, "options": [ "A. unroll the dough", "B. transfer the solution and label", "C. place the board on each side", "D. add seasoning" ], "question": "What actions was the person performing before the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 133 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 36, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'cut oranges'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 57, "options": [ "A. 24-25s", "B. 29-30s", "C. 13-14s", "D. 41-42s" ], "question": "How long has the person in the scene been performing the 'juice the oranges'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Future Prediction", "middle_frame_timestamp": 113, "options": [ "A. cut oranges", "B. put rubber on paddle", "C. pour the orange juice into the cup", "D. pour the wax into the vessel" ], "question": "My goal is 'make orange juice'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 122, "options": [ "A. make coffee", "B. make tea", "C. make matcha tea", "D. make orange juice" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 122 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 13, "options": [ "A. 24-25s", "B. 10-11s", "C. 15-16s", "D. 13-14s" ], "question": "How long has the person in the scene been performing the 'expand the flag'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 71, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'raise flag'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 74, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'raise the national flag'?", "sub_answer_type": "Step Verification" } ]

[ 0, 74 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 74, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'replace with the new drumhead'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 85, "options": [ "A. 6-7s", "B. 52-53s", "C. 20-21s", "D. 16-17s" ], "question": "How long has the person in the scene been performing the 'replace with the new drumhead'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 152, "options": [ "A. replace drumhead", "B. pitch a tent", "C. prepare canvas", "D. make chinese lantern" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 152 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 19, "options": [ "A. 18-19s", "B. 5-6s", "C. 53-54s", "D. 14-15s" ], "question": "How long has the person in the scene been performing the 'replace the battery'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 20, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'replace the battery'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 81, "options": [ "A. replace battery on key to car", "B. change battery of watch", "C. use tapping gun", "D. resize watch band" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 81 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 59, "options": [ "A. 10-11s", "B. 55-56s", "C. 13-14s", "D. 17-18s" ], "question": "How long has the person in the scene been performing the 'draw lines to mark the hole'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 61, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'draw lines to mark the hole'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 129, "options": [ "A. clean toilet", "B. clean hamster cage", "C. drill hole", "D. iron clothes" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 129 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 85, "options": [ "A. 6-7s", "B. 20-21s", "C. 9-10s", "D. 13-14s" ], "question": "How long has the person in the scene been performing the 'remove the original protector'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 97, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'remove the original protector'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 105, "options": [ "A. fall to the ground", "B. fry eggs", "C. wipe screen again", "D. paste protector on the screen" ], "question": "Which action did the person perform for the longest duration in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 188, "options": [ "A. refill a stapler", "B. replace SIM card", "C. make RJ45 cable", "D. replace mobile screen protector" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 188 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 70, "options": [ "A. 6-7s", "B. 13-14s", "C. 33-34s", "D. 40-41s" ], "question": "How long has the person in the scene been performing the 'turn off the balde screw'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 106, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'install the new blade'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 125, "options": [ "A. 13-14s", "B. 31-32s", "C. 6-7s", "D. 4-5s" ], "question": "How long has the person been performing the 'install the new blade' in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 148, "options": [ "A. replace blade of a saw", "B. replace hard disk", "C. replace filter for air purifier", "D. replace electrical outlet" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 148 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 144, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pull the ears outwards'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 145, "options": [ "A. use neti pot", "B. use earplugs", "C. draw blood", "D. wash hair" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 145 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 58.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'unscrew the screws used to fix the screen'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 68, "options": [ "A. fasten the strap", "B. close the front door or cover of the printer", "C. unscrew the screws used to fix the screen", "D. install the new screen" ], "question": "My goal is 'replace laptop screen'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 82, "options": [ "A. 31-32s", "B. 6-7s", "C. 12-13s", "D. 29-30s" ], "question": "How long has the person in the scene been performing the 'reset and screw on the screws'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 94, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace laptop screen'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 94 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 170, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'paste and level the wallpaper'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 175, "options": [ "A. 71-72s", "B. 19-20s", "C. 24-25s", "D. 5-6s" ], "question": "How long has the person been performing the 'crop the wallpaper' in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 182, "options": [ "A. 12-13s", "B. 5-6s", "C. 10-11s", "D. 24-25s" ], "question": "How long has the person in the scene been performing the 'crop the wallpaper'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Future Prediction", "middle_frame_timestamp": 204, "options": [ "A. hang wallpaper", "B. use triple beam balance", "C. wrap gift box", "D. make flower press" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 204 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 44, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'prepare and add the tea'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 84, "options": [ "A. make sugar coated haws", "B. make tea", "C. make cookie", "D. make chocolate" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 87, "options": [ "A. dig a pit with proper size", "B. pour the tea into the vessel", "C. add some water to the tea", "D. put in the oil to fry" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 88, "options": [ "A. 8-9s", "B. 19-20s", "C. 5-6s", "D. 33-34s" ], "question": "How long has the person in the scene been performing the 'pour the tea into the vessel'?", "sub_answer_type": "Step Localization" } ]

[ 0, 88 ]

[ { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 14, "options": [ "A. check the breath of the patient", "B. stir the ingredients", "C. take out the slice of bread", "D. do artificial breathing to the patient" ], "question": "My goal is 'perform CPR'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 16, "options": [ "A. sow on the soil", "B. check the breath of the patient", "C. rub back and forth with potatoes or rust remover", "D. do artificial breathing to the patient" ], "question": "Which action did the person perform for the longest duration in the last 15 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 21, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'do artificial breathing to the patient'?", "sub_answer_type": "Step Verification" } ]

[ 0, 21 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 23, "options": [ "A. 18-19s", "B. 15-16s", "C. 12-13s", "D. 7-8s" ], "question": "How long has the person in the scene been performing the 'iron the cloths with the iron'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 29, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'clean leather seat'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 33, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'iron the cloths with the iron'?", "sub_answer_type": "Step Verification" } ]

[ 0, 33 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 45, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the thread on the spool'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 60, "options": [ "A. 14-15s", "B. 59-60s", "C. 7-8s", "D. 11-12s" ], "question": "How long has the person in the scene been performing the 'twine round the thread'?", "sub_answer_type": "Step Localization" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 75, "options": [ "A. expand the flag", "B. thread thorugh the needle", "C. twine round the thread", "D. clean up the interior of thepumpkin" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 75 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 44, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pour the egg into the pot'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 51, "options": [ "A. 9-10s", "B. 16-17s", "C. 50-51s", "D. 5-6s" ], "question": "How long has the person in the scene been performing the 'fry eggs'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 123, "options": [ "A. make french fries", "B. boil noodles", "C. make salmon", "D. cook omelet" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 123 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 53, "options": [ "A. 54-55s", "B. 7-8s", "C. 20-21s", "D. 9-10s" ], "question": "How long has the person in the scene been performing the 'put the sample to be measured on the balance'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 115, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the weight until the balance is balanced'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 130, "options": [ "A. set up a hamster cage", "B. use analytical balance", "C. use triple beam balance", "D. make paper dice" ], "question": "What goal was achieved in this video?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 130 ]

[ { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 59, "options": [ "A. 85-86s", "B. 32-33s", "C. 6-7s", "D. 16-17s" ], "question": "How long has the person in the scene been performing the 'check the old chain'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 61, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'check the old chain'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 168, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'change bike chain'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 168 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 56, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'soak and wash the rice'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 64, "options": [ "A. install the door", "B. cook the rice by rice cooker", "C. tighten the blade screw", "D. soak and wash the rice" ], "question": "Which action did the person perform for the longest duration in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 74, "options": [ "A. 10-11s", "B. 17-18s", "C. 13-14s", "D. 23-24s" ], "question": "How long has the person in the scene been performing the 'put the washed rice into the rice cooker'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Future Prediction", "middle_frame_timestamp": 80, "options": [ "A. put the washed rice into the rice cooker", "B. cook the rice by rice cooker", "C. lift the barbell directly over the head", "D. take out the shell" ], "question": "My goal is 'use rice cooker to cook rice'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 80 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 9, "options": [ "A. 7-8s", "B. 13-14s", "C. 25-26s", "D. 22-23s" ], "question": "How long has the person in the scene been performing the 'place gasket at injury'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 12, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'place gasket at injury'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 34, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'shave beard'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 34 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 78, "options": [ "A. 9-10s", "B. 14-15s", "C. 11-12s", "D. 29-30s" ], "question": "How long has the person in the scene been performing the 'unscrew the screw and take out the needle'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Past Memory", "middle_frame_timestamp": 127, "options": [ "A. unscrew the screw and take out the needle", "B. screw on the screw", "C. let the flat side of the new needle towards the jack and insert the new needle", "D. cut the packing paper" ], "question": "What actions did the person not perform in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 131, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'screw on the screw'?", "sub_answer_type": "Step Verification" } ]

[ 0, 131 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 52, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'pick up the button'?", "sub_answer_type": "Step Verification" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 54, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'clean laptop keyboard'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 54 ]

[ { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 59, "options": [ "A. 71-72s", "B. 5-6s", "C. 12-13s", "D. 29-30s" ], "question": "How long has the person in the scene been performing the 'scratch scales'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 65, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'scratch scales'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 147, "options": [ "A. 49-50s", "B. 28-29s", "C. 11-12s", "D. 76-77s" ], "question": "How long has the person been performing the 'remove the intestines and blood vessels' in the last 90 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 155, "options": [ "A. remove the gill", "B. clean the scratch", "C. clean toys and hamster cages", "D. cut the head" ], "question": "My goal is 'clean fish'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" } ]

[ 0, 155 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 49, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'insert a new toner cartridge'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 49, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace blade of a saw'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 49 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 33, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'take out the shell'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 79, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'replace laptop screen'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 79 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 25, "options": [ "A. 69-70s", "B. 21-22s", "C. 6-7s", "D. 15-16s" ], "question": "How long has the person in the scene been performing the 'fold the edges of the paper'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 107, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'change guitar strings'?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 109, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fold the squares inward and fix them'?", "sub_answer_type": "Step Verification" } ]

[ 0, 109 ]

[ { "answer": "A", "answer_type": "Temporal Perception", "middle_frame_timestamp": 23, "options": [ "A. 14-15s", "B. 12-13s", "C. 16-17s", "D. 20-21s" ], "question": "How long has the person in the scene been performing the 'put the thread on the spool'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 68, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'put the thread on the spool'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 100, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use vending machine'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 100 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 58, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'calibrate the liquid'?", "sub_answer_type": "Step Verification" }, { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 97, "options": [ "A. 11-12s", "B. 18-19s", "C. 31-32s", "D. 21-22s" ], "question": "How long has the person in the scene been performing the 'calibrate the liquid'?", "sub_answer_type": "Step Localization" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 267, "options": [ "A. hang wallpaper", "B. make soap", "C. use volumetric flask", "D. use volumetric pipette" ], "question": "Based on the series of actions performed by the person in the video, what is the ultimate goal?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "A", "answer_type": "Past Memory", "middle_frame_timestamp": 283, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'use volumetric pipette'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 283 ]

[ { "answer": "D", "answer_type": "Temporal Perception", "middle_frame_timestamp": 76, "options": [ "A. 45-46s", "B. 5-6s", "C. 12-13s", "D. 48-49s" ], "question": "How long has the person in the scene been performing the 'add seasoning on the salmon'?", "sub_answer_type": "Step Localization" }, { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 134, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fry salmon'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 145, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'boil noodles'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 145 ]

[ { "answer": "A", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 41, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'remove the bolt and pin board'?", "sub_answer_type": "Step Verification" }, { "answer": "D", "answer_type": "Future Prediction", "middle_frame_timestamp": 97, "options": [ "A. remove the bolt and pin board", "B. iron the cloths with the iron", "C. fix the ground nail", "D. install the new door knob" ], "question": "My goal is 'replace door knob'. What are the next steps I should take?", "sub_answer_type": "Goal/Step Prediction" }, { "answer": "C", "answer_type": "Past Memory", "middle_frame_timestamp": 99, "options": [ "A. shake the mixture", "B. clean bathtub with water", "C. remove the bolt and pin board", "D. remove the door knob" ], "question": "Which action did the person perform for the longest duration in the last 60 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "C", "answer_type": "Temporal Perception", "middle_frame_timestamp": 107, "options": [ "A. 13-14s", "B. 7-8s", "C. 11-12s", "D. 18-19s" ], "question": "How long has the person in the scene been performing the 'install the new door knob'?", "sub_answer_type": "Step Localization" } ]

[ 0, 107 ]

[ { "answer": "B", "answer_type": "Temporal Perception", "middle_frame_timestamp": 37, "options": [ "A. 17-18s", "B. 15-16s", "C. 21-22s", "D. 7-8s" ], "question": "How long has the person in the scene been performing the 'place gasket at injury'?", "sub_answer_type": "Step Localization" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 72, "options": [ "A. place gasket at injury", "B. insert oil gun in the car", "C. knot at the end of the bandage", "D. wind bandage around head" ], "question": "What actions did the person not perform in the last 30 seconds?", "sub_answer_type": "Procedure Recall" }, { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 76, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'knot at the end of the bandage'?", "sub_answer_type": "Step Verification" } ]

[ 0, 76 ]

[ { "answer": "B", "answer_type": "Temporal Hallucination Verification", "middle_frame_timestamp": 17.5, "options": [ "A. Yes", "B. No" ], "question": "Is the person in the current frame still performing the 'fry meat'?", "sub_answer_type": "Step Verification" }, { "answer": "B", "answer_type": "Past Memory", "middle_frame_timestamp": 109, "options": [ "A. Yes", "B. No" ], "question": "Did the person follow the correct procedure to achieve the 'cook omelet'?", "sub_answer_type": "Procedure Recall" } ]

[ 0, 109 ]