premise1: A man in a green shirt is jumping a ramp on his skateboard.
premise2: A skateboarder is riding on a red ramp by the ocean.
premise3: A man on a half pipe doing a skateboard trick.
premise4: A man is skating on a vert ramp
premise: A man in a green shirt is jumping a ramp on his skateboard. A skateboarder is riding on a red ramp by the ocean. A man on a half pipe doing a skateboard trick. A man is skating on a vert ramp
hypothesis: A skater jumps in the air.