premise1: A snowboarder is jumping in the air over a snow slope.
premise2: A snowboarder in the air over a snowy mountain.
premise3: A snowboarder is in the air.
premise4: A man snowboards.
premise: A snowboarder is jumping in the air over a snow slope. A snowboarder in the air over a snowy mountain. A snowboarder is in the air. A man snowboards.
hypothesis: A snowboarder performing a trick.