context: A man in a hard hat looks intimidated.
hypothesis: It is improbable that he is working in a potentially dangerous field that requires a hard hat.
valid_hypothesis: There is a very good chance that he is working in a potentially dangerous field that requires a hard hat.
invalid_hypothesis: It is improbable that he is working in a potentially dangerous field that requires a hard hat.
hypothesis_assertion: He is working in a potentially dangerous field that requires a hard hat.