context: There is almost no chance that John went to the bedroom. It is unlikely that Lily is yellow. It is likely that Greg is gray. Chances are about even that if Lily is yellow, and John went to the bedroom, then Bernhard is a swan. It is highly likely that if Lily is yellow, or John went to the bedroom, then Daniel dropped the milk. There is little chance that if Lily is yellow, and John went to the bedroom, then Julius is green.
hypothesis: It is unlikely that either Lily is yellow, or Julius is green.
valid_hypothesis: It is unlikely that either Lily is yellow, or Julius is green.
invalid_hypothesis: It is highly likely that either Lily is yellow, or Julius is green.
hypothesis_assertion: Either Lily is yellow, or Julius is green.