context: It is improbable that Julius is a swan. It is probably not the case that Brian is gray. It is probably the case that Bernhard is a frog.
hypothesis: It is highly unlikely that bernhard is a frog, and Julius is a swan.
valid_hypothesis: It is highly unlikely that bernhard is a frog, and Julius is a swan.
invalid_hypothesis: It is probable that bernhard is a frog, and Julius is a swan.
hypothesis_assertion: Bernhard is a frog, and Julius is a swan.