context: We believe that Jessica is a wolf. There is little chance that Julius is a swan. We believe that Mary went to the kitchen. It is highly unlikely that if Jessica is a wolf, or Mary went to the kitchen, then Gertrude is a mouse. It is probably the case that if Julius is a swan, or Jessica is a wolf, then Greg is gray. It is unlikely that if Julius is a swan, and Jessica is a wolf, then John moved to the office.
hypothesis: It is impossible that either Gertrude is a mouse, or Mary went to the kitchen.
valid_hypothesis: It is probable that either Gertrude is a mouse, or Mary went to the kitchen.
invalid_hypothesis: It is impossible that either Gertrude is a mouse, or Mary went to the kitchen.
hypothesis_assertion: Either Gertrude is a mouse, or Mary went to the kitchen.