context: It is likely that John got the milk. It is certain that Mary went to the bedroom. There is almost no chance that Brian is a frog. It is improbable that if Brian is a frog, or John got the milk, then Greg is gray. There is a very good chance that if John got the milk, or Mary went to the bedroom, then Winona is a cat. It is unlikely that if Mary went to the bedroom, or Brian is a frog, then Julius is a lion.
hypothesis: We doubt that either Brian is a frog, or Julius is a lion.
valid_hypothesis: We doubt that either Brian is a frog, or Julius is a lion.
invalid_hypothesis: It is highly likely that either Brian is a frog, or Julius is a lion.
hypothesis_assertion: Either Brian is a frog, or Julius is a lion.