context: We doubt that Mary dropped the milk. It is unlikely that Greg is a lion. It is highly likely that Brian is gray.
hypothesis: It is almost certain that mary dropped the milk, or Greg is a lion.
valid_hypothesis: It is probably not the case that mary dropped the milk, or Greg is a lion.
invalid_hypothesis: It is almost certain that mary dropped the milk, or Greg is a lion.
hypothesis_assertion: Mary dropped the milk, or Greg is a lion.