context: There is a very good chance that Lily is a frog. It is certain that John put down the milk. It is unlikely that Jessica is a sheep. We doubt that if Jessica is a sheep, and Lily is a frog, then Bernhard is a swan. It is unlikely that if either Lily is a frog, or John put down the milk, then Julius is white. It is probable that if John put down the milk, and Lily is a frog, then Greg is gray.
hypothesis: It is unlikely that either Lily is a frog, or John put down the milk.
valid_hypothesis: It is unlikely that either Lily is a frog, or John put down the milk.
invalid_hypothesis: It is certain that either Lily is a frog, or John put down the milk.
hypothesis_assertion: Either Lily is a frog, or John put down the milk.