context: Chances are about even that Bernhard is gray. There is a very good chance that Lily is a rhino. We believe that Brian is a frog.
hypothesis: There is a better than even chance that brian is a frog, and Lily is a rhino.
valid_hypothesis: There is a better than even chance that brian is a frog, and Lily is a rhino.
invalid_hypothesis: It is improbable that brian is a frog, and Lily is a rhino.
hypothesis_assertion: Brian is a frog, and Lily is a rhino.