context: It is almost certain that Julius is gray. There is a better than even chance that Lily is white. It is probable that Greg is gray.
hypothesis: There is a better than even chance that lily is white, and Julius is gray.
valid_hypothesis: There is a better than even chance that lily is white, and Julius is gray.
invalid_hypothesis: It is impossible that lily is white, and Julius is gray.
hypothesis_assertion: Lily is white, and Julius is gray.