context: Chances are about even that John is in the office. It is highly unlikely that Brian is gray. It is likely that Mary went to the bedroom.
hypothesis: There is almost no chance that either John is in the office, or Mary went to the bedroom.
valid_hypothesis: Chances are about even that either John is in the office, or Mary went to the bedroom.
invalid_hypothesis: There is almost no chance that either John is in the office, or Mary went to the bedroom.
hypothesis_assertion: Either John is in the office, or Mary went to the bedroom.