context: A young man standing on one foot in colorful bowling shoes after throwing the ball.
hypothesis: There is a very good chance that a person in a black shirt is standing on one foot.
valid_hypothesis: There is little chance that a person in a black shirt is standing on one foot.
invalid_hypothesis: There is a very good chance that a person in a black shirt is standing on one foot.
hypothesis_assertion: A person in a black shirt is standing on one foot.