context: Chances are about even that Brian is a swan. It is certain that John put down the apple. It is highly likely that Antoine is thirsty. It is almost certain that if either Antoine is thirsty, or John put down the apple, then Lily is gray. It is probably not the case that if either Antoine is thirsty, or Brian is a swan, then Daniel left the milk. It is improbable that if Brian is a swan, or John put down the apple, then Julius is a lion.
hypothesis: It is certain that lily is gray, or Antoine is thirsty.
valid_hypothesis: It is certain that lily is gray, or Antoine is thirsty.
invalid_hypothesis: It is probably not the case that lily is gray, or Antoine is thirsty.
hypothesis_assertion: Lily is gray, or Antoine is thirsty.