Bob is nice. Bob is not rough. Bob is young. Charlie is nice. Charlie is white. Charlie is young. Erin is not young. Gary is quiet. Gary is rough. Gary is young. If something is white then it is cold. All cold, rough things are young. If Gary is rough and Gary is young then Gary is cold. If something is cold and not quiet then it is red. If something is quiet and not nice then it is cold. If something is rough and not cold then it is not young. If something is not young then it is rough. If something is not cold and not white then it is not quiet.
Bob is not cold.