context: It is highly unlikely that Greg is white. Chances are slight that Mary got the apple. It is certain that John went to the bedroom.
hypothesis: It is almost certain that either Greg is white, or John went to the bedroom.
valid_hypothesis: It is almost certain that either Greg is white, or John went to the bedroom.
invalid_hypothesis: Chances are about even that either Greg is white, or John went to the bedroom.
hypothesis_assertion: Either Greg is white, or John went to the bedroom.