context: A man in bright shirt carrying a fallen branch.
hypothesis: It is certain that the man is cleaning up his yard after the bad thunderstorm the evening before.
valid_hypothesis: It is unlikely that the man is cleaning up his yard after the bad thunderstorm the evening before.
invalid_hypothesis: It is certain that the man is cleaning up his yard after the bad thunderstorm the evening before.
hypothesis_assertion: The man is cleaning up his yard after the bad thunderstorm the evening before.