context: We doubt that Fred discarded the milk. There is almost no chance that Greg is a swan. It is certain that Bernhard is a rhino.
hypothesis: We doubt that bernhard is a rhino, or Greg is a swan.
valid_hypothesis: It is certain that bernhard is a rhino, or Greg is a swan.
invalid_hypothesis: We doubt that bernhard is a rhino, or Greg is a swan.
hypothesis_assertion: Bernhard is a rhino, or Greg is a swan.