context: It is unlikely that Sandra left the football. There is little chance that John put down the milk. It is certain that Winona is a wolf. We believe that if either John put down the milk, or Sandra left the football, then Bernhard is gray. It is almost certain that if Winona is a wolf, and Sandra left the football, then Greg is a rhino. It is certain that if John put down the milk, or Sandra left the football, then Mary went to the kitchen.
hypothesis: It is certain that winona is a wolf, or Mary went to the kitchen.
valid_hypothesis: It is certain that winona is a wolf, or Mary went to the kitchen.
invalid_hypothesis: It is impossible that winona is a wolf, or Mary went to the kitchen.
hypothesis_assertion: Winona is a wolf, or Mary went to the kitchen.