context: There is a very good chance that Lily is a rhino. It is almost certain that Fred went to the cinema. It is probably not the case that Sandra left the milk. There is a very good chance that if Fred went to the cinema, and Lily is a rhino, then Brian is gray. We believe that if Sandra left the milk, and Fred went to the cinema, then Mary dropped the milk. It is probably the case that if Sandra left the milk, or Fred went to the cinema, then Julius is a lion.
hypothesis: It is likely that sandra left the milk, and Lily is a rhino.
valid_hypothesis: We doubt that sandra left the milk, and Lily is a rhino.
invalid_hypothesis: It is likely that sandra left the milk, and Lily is a rhino.
hypothesis_assertion: Sandra left the milk, and Lily is a rhino.