premise1: A man flies through the air on his skateboard above a white staircase.
premise2: A skateboarder jumps his board down a flight of stairs.
premise3: Skateboarder jumping down stairs of building.
premise4: A skateboarder sails over white steps.
premise: A man flies through the air on his skateboard above a white staircase. A skateboarder jumps his board down a flight of stairs. Skateboarder jumping down stairs of building. A skateboarder sails over white steps.
hypothesis: A child yelling.