context: We believe that Lily is a lion. There is a very good chance that Julius is gray. Chances are slight that Bernhard is a rhino.
hypothesis: It is likely that either Lily is a lion, or Julius is gray.
valid_hypothesis: It is probably not the case that either Lily is a lion, or Julius is gray.
invalid_hypothesis: It is likely that either Lily is a lion, or Julius is gray.
hypothesis_assertion: Either Lily is a lion, or Julius is gray.