context: It is probable that Lily is gray. There is a better than even chance that Bill left the milk. There is almost no chance that Brian is yellow.
hypothesis: Chances are about even that lily is gray, and Bill left the milk.
valid_hypothesis: Chances are about even that lily is gray, and Bill left the milk.
invalid_hypothesis: It is certain that lily is gray, and Bill left the milk.
hypothesis_assertion: Lily is gray, and Bill left the milk.