context: It is highly likely that Bernhard is a frog. It is highly likely that Mary left the apple. There is little chance that Greg is a lion. We doubt that if Bernhard is a frog, and Mary left the apple, then Bill put down the milk. Chances are slight that if Greg is a lion, and Bernhard is a frog, then Lily is gray. It is probable that if Greg is a lion, and Bernhard is a frog, then John went to the hallway.
hypothesis: It is highly likely that either Lily is gray, or Mary left the apple.
valid_hypothesis: It is highly likely that either Lily is gray, or Mary left the apple.
invalid_hypothesis: It is unlikely that either Lily is gray, or Mary left the apple.
hypothesis_assertion: Either Lily is gray, or Mary left the apple.