context: Chances are about even that Julius is gray. Chances are slight that Fred went to the bedroom. There is a better than even chance that Brian is a swan.
hypothesis: It is highly unlikely that fred went to the bedroom, or Brian is a swan.
valid_hypothesis: There is a better than even chance that fred went to the bedroom, or Brian is a swan.
invalid_hypothesis: It is highly unlikely that fred went to the bedroom, or Brian is a swan.
hypothesis_assertion: Fred went to the bedroom, or Brian is a swan.