premise1: A man on a yellow sport bike does a wheelie as his friend on a black bike catches up.
premise2: Two motorcyclists on a blurry road, one rider doing a wheelie.
premise3: A man on a motorcycle riding on his back tire.
premise4: A yellow motorcyclist is popping a wheelie.
premise: A man on a yellow sport bike does a wheelie as his friend on a black bike catches up. Two motorcyclists on a blurry road, one rider doing a wheelie. A man on a motorcycle riding on his back tire. A yellow motorcyclist is popping a wheelie.
hypothesis: Riders driving.