context: It is certain that Julius is a rhino. It is improbable that Bernhard is gray. There is a better than even chance that Brian is a lion.
hypothesis: It is certain that bernhard is gray, and Julius is a rhino.
valid_hypothesis: There is little chance that bernhard is gray, and Julius is a rhino.
invalid_hypothesis: It is certain that bernhard is gray, and Julius is a rhino.
hypothesis_assertion: Bernhard is gray, and Julius is a rhino.