context: It is unlikely that Bernhard is a swan. It is probable that Julius is a frog. We believe that Brian is yellow.
hypothesis: It is highly unlikely that bernhard is a swan, or Brian is yellow.
valid_hypothesis: There is a very good chance that bernhard is a swan, or Brian is yellow.
invalid_hypothesis: It is highly unlikely that bernhard is a swan, or Brian is yellow.
hypothesis_assertion: Bernhard is a swan, or Brian is yellow.