premise1: A snowboarder is performing a stunt in mostly dark.
premise2: Snowboarder in the air performing a stunt.
premise3: The snowboarder gets serious air.
premise4: A snowboarder flies in the air.
premise: A snowboarder is performing a stunt in mostly dark. Snowboarder in the air performing a stunt. The snowboarder gets serious air. A snowboarder flies in the air.
hypothesis: A snowboarder doing tricks.