context: There is almost no chance that John is in the bathroom. We believe that Greg is white. We believe that Brian is a lion.
hypothesis: It is unlikely that either John is in the bathroom, or Greg is white.
valid_hypothesis: We believe that either John is in the bathroom, or Greg is white.
invalid_hypothesis: It is unlikely that either John is in the bathroom, or Greg is white.
hypothesis_assertion: Either John is in the bathroom, or Greg is white.