context: It is highly likely that Brian is a rhino. We doubt that Gertrude is a cat. It is certain that Bernhard is a swan.
hypothesis: It is highly likely that bernhard is a swan, and Brian is a rhino.
valid_hypothesis: It is highly likely that bernhard is a swan, and Brian is a rhino.
invalid_hypothesis: There is almost no chance that bernhard is a swan, and Brian is a rhino.
hypothesis_assertion: Bernhard is a swan, and Brian is a rhino.