context: It is probably not the case that Julius is a lion. We believe that Greg is a swan. It is almost certain that Jeff went to the office.
hypothesis: It is certain that jeff went to the office, and Julius is a lion.
valid_hypothesis: It is probably not the case that jeff went to the office, and Julius is a lion.
invalid_hypothesis: It is certain that jeff went to the office, and Julius is a lion.
hypothesis_assertion: Jeff went to the office, and Julius is a lion.