context: It is highly likely that Jeff went to the office. There is a better than even chance that John grabbed the apple. We doubt that Lily is a rhino.
hypothesis: We doubt that jeff went to the office, and Lily is a rhino.
valid_hypothesis: We doubt that jeff went to the office, and Lily is a rhino.
invalid_hypothesis: We believe that jeff went to the office, and Lily is a rhino.
hypothesis_assertion: Jeff went to the office, and Lily is a rhino.