premise1: The cyclist is airborne on his bike as it makes a jump between two mounds of earth.
premise2: Brown ramp structure with a person on skis in midair.
premise3: A person jumps a bicycle off a large dirt ramp.
premise4: A motor biker gets massive air off a dirt jump
premise: The cyclist is airborne on his bike as it makes a jump between two mounds of earth. Brown ramp structure with a person on skis in midair. A person jumps a bicycle off a large dirt ramp. A motor biker gets massive air off a dirt jump
hypothesis: A child jumps up.