context: There is little chance that Brian is gray. It is probably the case that Bernhard is a rhino. It is probably not the case that Greg is yellow. There is a very good chance that if either Brian is gray, or Greg is yellow, then Lily is green. It is highly likely that if either Bernhard is a rhino, or Greg is yellow, then Mary dropped the milk. There is a better than even chance that if either Bernhard is a rhino, or Greg is yellow, then John went to the bedroom.
hypothesis: There is a very good chance that mary dropped the milk, and Lily is green.
valid_hypothesis: Chances are slight that mary dropped the milk, and Lily is green.
invalid_hypothesis: There is a very good chance that mary dropped the milk, and Lily is green.
hypothesis_assertion: Mary dropped the milk, and Lily is green.