context: It is certain that John picked up the apple. There is little chance that Brian is a rhino. There is a very good chance that Winona is a wolf. There is almost no chance that if Brian is a rhino, or John picked up the apple, then Jason is hungry. It is certain that if Brian is a rhino, or John picked up the apple, then Mary went to the bedroom. There is a very good chance that if Winona is a wolf, and Brian is a rhino, then Lily is white.
hypothesis: It is certain that lily is white, or Brian is a rhino.
valid_hypothesis: It is improbable that lily is white, or Brian is a rhino.
invalid_hypothesis: It is certain that lily is white, or Brian is a rhino.
hypothesis_assertion: Lily is white, or Brian is a rhino.