context: A man on a bike under a large red umbrella gestures at a group of people.
hypothesis: It is certain that a man is attempting to get people to come in out of the rain.
valid_hypothesis: It is impossible that a man is attempting to get people to come in out of the rain.
invalid_hypothesis: It is certain that a man is attempting to get people to come in out of the rain.
hypothesis_assertion: A man is attempting to get people to come in out of the rain.