premise1: A man in a blue shirt is performing a skateboarding trick near stairs while two other men watch.
premise2: A boy in blue jumps on a skateboard while two others watch him
premise3: A group of skaters are at a skate park.
premise4: Three skateboarders are in a park.
premise: A man in a blue shirt is performing a skateboarding trick near stairs while two other men watch. A boy in blue jumps on a skateboard while two others watch him A group of skaters are at a skate park. Three skateboarders are in a park.
hypothesis: Many spectators watching.