context: Man in plaid shirt sings into microphone while playing an acoustic guitar.
hypothesis: There is a very good chance that a man is at a concert playing for a large crowd.
valid_hypothesis: It is unlikely that a man is at a concert playing for a large crowd.
invalid_hypothesis: There is a very good chance that a man is at a concert playing for a large crowd.
hypothesis_assertion: A man is at a concert playing for a large crowd.