premise1: A man on a bike executes a jump as part of a competition while the crowd watches.
premise2: A man rides a yellow bike over a ramp while others watch.
premise3: Bike rider jumping obstacles.
premise4: BMX biker jumps off of ramp
premise: A man on a bike executes a jump as part of a competition while the crowd watches. A man rides a yellow bike over a ramp while others watch. Bike rider jumping obstacles. BMX biker jumps off of ramp
hypothesis: A man sitting on a bicycle.