context: It is likely that Mary went to the bedroom. There is a better than even chance that Jessica is a cat. There is a very good chance that Antoine is hungry. It is improbable that if Jessica is a cat, and Mary went to the bedroom, then Brian is a swan. There is a better than even chance that if Jessica is a cat, or Antoine is hungry, then Lily is white. It is probably the case that if either Antoine is hungry, or Mary went to the bedroom, then Julius is a rhino.
hypothesis: It is highly unlikely that either Lily is white, or Jessica is a cat.
valid_hypothesis: Chances are about even that either Lily is white, or Jessica is a cat.
invalid_hypothesis: It is highly unlikely that either Lily is white, or Jessica is a cat.
hypothesis_assertion: Either Lily is white, or Jessica is a cat.