context: Chances are slight that Brian is green. There is a very good chance that Mary went to the office. It is probably not the case that Bill is in the office.
hypothesis: There is almost no chance that brian is green, and Bill is in the office.
valid_hypothesis: There is almost no chance that brian is green, and Bill is in the office.
invalid_hypothesis: It is certain that brian is green, and Bill is in the office.
hypothesis_assertion: Brian is green, and Bill is in the office.