context: There is little chance that Greg is gray. It is probably not the case that Mary dropped the milk. There is a very good chance that John went to the bedroom.
hypothesis: We believe that either John went to the bedroom, or Greg is gray.
valid_hypothesis: We believe that either John went to the bedroom, or Greg is gray.
invalid_hypothesis: There is almost no chance that either John went to the bedroom, or Greg is gray.
hypothesis_assertion: Either John went to the bedroom, or Greg is gray.