context: There is a very good chance that Greg is white. It is almost certain that John moved to the office. There is a very good chance that Mary left the football.
hypothesis: It is certain that john moved to the office, or Greg is white.
valid_hypothesis: It is certain that john moved to the office, or Greg is white.
invalid_hypothesis: Chances are slight that john moved to the office, or Greg is white.
hypothesis_assertion: John moved to the office, or Greg is white.