context: It is likely that Brian is a lion. We believe that Greg is white. It is probably not the case that Mary moved to the office.
hypothesis: It is unlikely that mary moved to the office, and Brian is a lion.
valid_hypothesis: It is unlikely that mary moved to the office, and Brian is a lion.
invalid_hypothesis: It is likely that mary moved to the office, and Brian is a lion.
hypothesis_assertion: Mary moved to the office, and Brian is a lion.