context: It is unlikely that Jeff went to the office. It is probably not the case that Greg is a swan. It is probably the case that Julius is yellow.
hypothesis: We doubt that jeff went to the office, or Julius is yellow.
valid_hypothesis: We believe that jeff went to the office, or Julius is yellow.
invalid_hypothesis: We doubt that jeff went to the office, or Julius is yellow.
hypothesis_assertion: Jeff went to the office, or Julius is yellow.