context: It is certain that Brian is a rhino. Chances are about even that Gertrude is a wolf. There is a better than even chance that Bernhard is a swan.
hypothesis: There is little chance that bernhard is a swan, or Brian is a rhino.
valid_hypothesis: It is certain that bernhard is a swan, or Brian is a rhino.
invalid_hypothesis: There is little chance that bernhard is a swan, or Brian is a rhino.
hypothesis_assertion: Bernhard is a swan, or Brian is a rhino.