context: It is probably the case that Greg is gray. It is probably not the case that John went to the office. There is a very good chance that Mary got the apple.
hypothesis: There is little chance that either John went to the office, or Greg is gray.
valid_hypothesis: There is a better than even chance that either John went to the office, or Greg is gray.
invalid_hypothesis: There is little chance that either John went to the office, or Greg is gray.
hypothesis_assertion: Either John went to the office, or Greg is gray.