context: A man uses a projector to give a presentation.
hypothesis: It is impossible that a man is giving a presentation in front of a large crowd.
valid_hypothesis: There is a better than even chance that a man is giving a presentation in front of a large crowd.
invalid_hypothesis: It is impossible that a man is giving a presentation in front of a large crowd.
hypothesis_assertion: A man is giving a presentation in front of a large crowd.