premise1: A snowboarder in green grinds along the edge of a rail at night.
premise2: A snowboarder wearing a green jacket jumping a green railing
premise3: A snowboarder wearing a green jacket jumps above a low gate.
premise4: A helmeted boy flies through the air on a snowboard.
premise: A snowboarder in green grinds along the edge of a rail at night. A snowboarder wearing a green jacket jumping a green railing A snowboarder wearing a green jacket jumps above a low gate. A helmeted boy flies through the air on a snowboard.
hypothesis: A snowboarder balancing.