context: The man in the black shirt is skateboarding on the front steps of the building.
hypothesis: It is impossible that a guy is doing skateboard tricks outside a building to promote a movie.
valid_hypothesis: It is impossible that a guy is doing skateboard tricks outside a building to promote a movie.
invalid_hypothesis: It is highly likely that a guy is doing skateboard tricks outside a building to promote a movie.
hypothesis_assertion: A guy is doing skateboard tricks outside a building to promote a movie.