context: It is certain that Bernhard is green. It is probably the case that Brian is gray. It is impossible that Daniel took the football.
hypothesis: It is impossible that bernhard is green, and Daniel took the football.
valid_hypothesis: It is impossible that bernhard is green, and Daniel took the football.
invalid_hypothesis: It is probably the case that bernhard is green, and Daniel took the football.
hypothesis_assertion: Bernhard is green, and Daniel took the football.