context: It is likely that Brian is a rhino. It is highly unlikely that Mary went to the park. It is certain that Sandra grabbed the milk. It is improbable that if Sandra grabbed the milk, or Mary went to the park, then Lily is green. It is probably the case that if Brian is a rhino, and Sandra grabbed the milk, then Greg is yellow. It is probably not the case that if Brian is a rhino, and Mary went to the park, then Julius is green.
hypothesis: We believe that either Sandra grabbed the milk, or Brian is a rhino.
valid_hypothesis: It is probably not the case that either Sandra grabbed the milk, or Brian is a rhino.
invalid_hypothesis: We believe that either Sandra grabbed the milk, or Brian is a rhino.
hypothesis_assertion: Either Sandra grabbed the milk, or Brian is a rhino.