context: There is a very good chance that Greg is a swan. It is likely that John moved to the office. It is highly likely that Brian is a lion.
hypothesis: It is improbable that greg is a swan, and John moved to the office.
valid_hypothesis: There is a better than even chance that greg is a swan, and John moved to the office.
invalid_hypothesis: It is improbable that greg is a swan, and John moved to the office.
hypothesis_assertion: Greg is a swan, and John moved to the office.