context: It is impossible that Mary is in the cinema. It is probable that Lily is a rhino. It is probably the case that John went to the garden. There is a better than even chance that if Lily is a rhino, and Mary is in the cinema, then Bernhard is gray. There is little chance that if Mary is in the cinema, and John went to the garden, then Greg is yellow. It is highly unlikely that if Mary is in the cinema, and Lily is a rhino, then Sandra got the football.
hypothesis: It is probably the case that either Lily is a rhino, or Greg is yellow.
valid_hypothesis: It is probably the case that either Lily is a rhino, or Greg is yellow.
invalid_hypothesis: It is highly unlikely that either Lily is a rhino, or Greg is yellow.
hypothesis_assertion: Either Lily is a rhino, or Greg is yellow.