context: It is probably the case that Julius is gray. It is highly unlikely that Greg is a swan. It is likely that Bernhard is white.
hypothesis: It is highly likely that bernhard is white, or Julius is gray.
valid_hypothesis: It is highly likely that bernhard is white, or Julius is gray.
invalid_hypothesis: Chances are slight that bernhard is white, or Julius is gray.
hypothesis_assertion: Bernhard is white, or Julius is gray.