context: It is probably not the case that Bernhard is a swan. It is likely that Brian is a frog. Chances are slight that Lily is gray.
hypothesis: There is a very good chance that lily is gray, and Brian is a frog.
valid_hypothesis: It is highly unlikely that lily is gray, and Brian is a frog.
invalid_hypothesis: There is a very good chance that lily is gray, and Brian is a frog.
hypothesis_assertion: Lily is gray, and Brian is a frog.