context: It is almost certain that Julius is green. We doubt that Bernhard is a frog. It is highly unlikely that Lily is a rhino.
hypothesis: Chances are about even that bernhard is a frog, and Lily is a rhino.
valid_hypothesis: There is almost no chance that bernhard is a frog, and Lily is a rhino.
invalid_hypothesis: Chances are about even that bernhard is a frog, and Lily is a rhino.
hypothesis_assertion: Bernhard is a frog, and Lily is a rhino.