context: We doubt that Julius is yellow. It is highly unlikely that Bill went to the cinema. There is little chance that Sandra grabbed the milk. It is almost certain that if either Bill went to the cinema, or Julius is yellow, then Brian is a frog. We doubt that if either Julius is yellow, or Sandra grabbed the milk, then Greg is a rhino. It is highly likely that if Julius is yellow, and Bill went to the cinema, then Mary is in the bedroom.
hypothesis: It is highly likely that julius is yellow, or Greg is a rhino.
valid_hypothesis: It is unlikely that julius is yellow, or Greg is a rhino.
invalid_hypothesis: It is highly likely that julius is yellow, or Greg is a rhino.
hypothesis_assertion: Julius is yellow, or Greg is a rhino.