context: It is unlikely that Sandra dropped the milk. It is likely that Bernhard is gray. It is certain that Julius is a rhino.
hypothesis: We doubt that sandra dropped the milk, or Julius is a rhino.
valid_hypothesis: It is certain that sandra dropped the milk, or Julius is a rhino.
invalid_hypothesis: We doubt that sandra dropped the milk, or Julius is a rhino.
hypothesis_assertion: Sandra dropped the milk, or Julius is a rhino.