context: It is likely that Bernhard is a swan. It is unlikely that John left the milk. It is highly likely that Lily is a frog.
hypothesis: There is little chance that bernhard is a swan, or John left the milk.
valid_hypothesis: We believe that bernhard is a swan, or John left the milk.
invalid_hypothesis: There is little chance that bernhard is a swan, or John left the milk.
hypothesis_assertion: Bernhard is a swan, or John left the milk.