context: We doubt that John grabbed the milk. There is a very good chance that Lily is a lion. We believe that Bernhard is a swan.
hypothesis: There is a very good chance that bernhard is a swan, or John grabbed the milk.
valid_hypothesis: There is a very good chance that bernhard is a swan, or John grabbed the milk.
invalid_hypothesis: It is impossible that bernhard is a swan, or John grabbed the milk.
hypothesis_assertion: Bernhard is a swan, or John grabbed the milk.