context: It is unlikely that Greg is gray. We doubt that Mary went to the bedroom. Chances are slight that John moved to the office. Chances are about even that if Greg is gray, or Mary went to the bedroom, then Yann is thirsty. We believe that if either John moved to the office, or Mary went to the bedroom, then Sandra grabbed the milk. We believe that if either John moved to the office, or Mary went to the bedroom, then Julius is a swan.
hypothesis: It is highly likely that sandra grabbed the milk, and Mary went to the bedroom.
valid_hypothesis: It is improbable that sandra grabbed the milk, and Mary went to the bedroom.
invalid_hypothesis: It is highly likely that sandra grabbed the milk, and Mary went to the bedroom.
hypothesis_assertion: Sandra grabbed the milk, and Mary went to the bedroom.