context: There is a better than even chance that John moved to the garden. It is probably the case that Fred went to the kitchen. There is a very good chance that Bill is in the school. It is highly unlikely that if either John moved to the garden, or Bill is in the school, then Greg is yellow. It is unlikely that if Fred went to the kitchen, or John moved to the garden, then Mary dropped the milk. It is highly unlikely that if Fred went to the kitchen, and Bill is in the school, then Julius is gray.
hypothesis: It is unlikely that mary dropped the milk, or Julius is gray.
valid_hypothesis: It is unlikely that mary dropped the milk, or Julius is gray.
invalid_hypothesis: It is almost certain that mary dropped the milk, or Julius is gray.
hypothesis_assertion: Mary dropped the milk, or Julius is gray.