context: There is little chance that Sandra took the apple. It is probable that Julius is white. We doubt that John discarded the milk. There is little chance that if either Julius is white, or John discarded the milk, then Greg is gray. It is certain that if John discarded the milk, or Sandra took the apple, then Mary went to the hallway. It is almost certain that if John discarded the milk, and Julius is white, then Lily is a rhino.
hypothesis: It is likely that mary went to the hallway, or Greg is gray.
valid_hypothesis: It is probably not the case that mary went to the hallway, or Greg is gray.
invalid_hypothesis: It is likely that mary went to the hallway, or Greg is gray.
hypothesis_assertion: Mary went to the hallway, or Greg is gray.