context: Chances are about even that Julius is green. It is impossible that Brian is a rhino. It is unlikely that Bernhard is gray.
hypothesis: It is highly unlikely that bernhard is gray, or Julius is green.
valid_hypothesis: There is a better than even chance that bernhard is gray, or Julius is green.
invalid_hypothesis: It is highly unlikely that bernhard is gray, or Julius is green.
hypothesis_assertion: Bernhard is gray, or Julius is green.