context: It is likely that Jessica is a wolf. We doubt that Mary went to the bedroom. There is little chance that Brian is a lion. It is highly unlikely that if Brian is a lion, or Mary went to the bedroom, then Bill dropped the milk. It is probably not the case that if either Brian is a lion, or Mary went to the bedroom, then Greg is a rhino. There is little chance that if either Mary went to the bedroom, or Jessica is a wolf, then Sandra got the football.
hypothesis: It is impossible that jessica is a wolf, or Bill dropped the milk.
valid_hypothesis: It is probable that jessica is a wolf, or Bill dropped the milk.
invalid_hypothesis: It is impossible that jessica is a wolf, or Bill dropped the milk.
hypothesis_assertion: Jessica is a wolf, or Bill dropped the milk.