context: It is highly unlikely that Mary took the apple. Chances are slight that Jessica is a wolf. It is unlikely that Brian is green. It is highly likely that if Jessica is a wolf, and Brian is green, then Lily is yellow. It is highly unlikely that if Jessica is a wolf, or Brian is green, then Greg is a lion. There is little chance that if Brian is green, or Jessica is a wolf, then Bernhard is white.
hypothesis: It is certain that lily is yellow, or Brian is green.
valid_hypothesis: We doubt that lily is yellow, or Brian is green.
invalid_hypothesis: It is certain that lily is yellow, or Brian is green.
hypothesis_assertion: Lily is yellow, or Brian is green.