context: There is almost no chance that Bernhard is green. It is probable that Brian is a swan. There is almost no chance that Greg is gray. It is probably not the case that if Brian is a swan, or Greg is gray, then Winona is a wolf. There is a very good chance that if Greg is gray, and Bernhard is green, then Mary went to the office. It is impossible that if Brian is a swan, and Greg is gray, then Lily is white.
hypothesis: There is almost no chance that either Lily is white, or Greg is gray.
valid_hypothesis: There is almost no chance that either Lily is white, or Greg is gray.
invalid_hypothesis: It is probable that either Lily is white, or Greg is gray.
hypothesis_assertion: Either Lily is white, or Greg is gray.