context: There is almost no chance that Bernhard is a lion. It is unlikely that Fred went to the bedroom. It is almost certain that Mary dropped the milk.
hypothesis: We doubt that fred went to the bedroom, and Mary dropped the milk.
valid_hypothesis: We doubt that fred went to the bedroom, and Mary dropped the milk.
invalid_hypothesis: It is probably the case that fred went to the bedroom, and Mary dropped the milk.
hypothesis_assertion: Fred went to the bedroom, and Mary dropped the milk.