context: It is probably not the case that Gertrude is a cat. It is certain that Lily is a frog. We doubt that Jessica is a wolf. It is highly unlikely that if either Jessica is a wolf, or Gertrude is a cat, then Daniel dropped the milk. There is a very good chance that if Jessica is a wolf, and Lily is a frog, then Brian is gray. We doubt that if either Lily is a frog, or Jessica is a wolf, then John got the apple.
hypothesis: There is little chance that either Lily is a frog, or Brian is gray.
valid_hypothesis: There is a very good chance that either Lily is a frog, or Brian is gray.
invalid_hypothesis: There is little chance that either Lily is a frog, or Brian is gray.
hypothesis_assertion: Either Lily is a frog, or Brian is gray.