context: We doubt that Daniel put down the milk. It is probably the case that Brian is white. There is a better than even chance that Mary is in the cinema. It is highly unlikely that if Mary is in the cinema, and Brian is white, then Bernhard is a lion. It is probable that if Daniel put down the milk, and Brian is white, then Lily is gray. There is almost no chance that if Mary is in the cinema, or Daniel put down the milk, then Greg is a lion.
hypothesis: It is highly likely that either Greg is a lion, or Daniel put down the milk.
valid_hypothesis: It is unlikely that either Greg is a lion, or Daniel put down the milk.
invalid_hypothesis: It is highly likely that either Greg is a lion, or Daniel put down the milk.
hypothesis_assertion: Either Greg is a lion, or Daniel put down the milk.