context: We doubt that John got the milk. There is a very good chance that Julie is in the bedroom. Chances are about even that Sandra grabbed the apple.
hypothesis: Chances are about even that sandra grabbed the apple, and Julie is in the bedroom.
valid_hypothesis: Chances are about even that sandra grabbed the apple, and Julie is in the bedroom.
invalid_hypothesis: It is impossible that sandra grabbed the apple, and Julie is in the bedroom.
hypothesis_assertion: Sandra grabbed the apple, and Julie is in the bedroom.