context: There is a very good chance that Brian is a frog. It is likely that Bernhard is a swan. It is impossible that Sandra took the football.
hypothesis: It is probable that bernhard is a swan, or Sandra took the football.
valid_hypothesis: It is probable that bernhard is a swan, or Sandra took the football.
invalid_hypothesis: It is unlikely that bernhard is a swan, or Sandra took the football.
hypothesis_assertion: Bernhard is a swan, or Sandra took the football.