context: Chances are about even that Jeff went to the bedroom. It is certain that Greg is white. It is highly likely that Julius is yellow.
hypothesis: Chances are about even that either Greg is white, or Jeff went to the bedroom.
valid_hypothesis: Chances are about even that either Greg is white, or Jeff went to the bedroom.
invalid_hypothesis: It is impossible that either Greg is white, or Jeff went to the bedroom.
hypothesis_assertion: Either Greg is white, or Jeff went to the bedroom.