context: It is impossible that Lily is yellow. It is certain that Bernhard is gray. It is unlikely that Brian is a lion.
hypothesis: It is probable that lily is yellow, and Bernhard is gray.
valid_hypothesis: It is impossible that lily is yellow, and Bernhard is gray.
invalid_hypothesis: It is probable that lily is yellow, and Bernhard is gray.
hypothesis_assertion: Lily is yellow, and Bernhard is gray.