context: It is certain that Brian is gray. It is certain that Lily is white. There is a very good chance that Julius is a rhino.
hypothesis: It is likely that either Brian is gray, or Julius is a rhino.
valid_hypothesis: We doubt that either Brian is gray, or Julius is a rhino.
invalid_hypothesis: It is likely that either Brian is gray, or Julius is a rhino.
hypothesis_assertion: Either Brian is gray, or Julius is a rhino.