Dave is cold. Dave is furry. Dave is not quiet. Dave is red. Dave is rough. Dave is white. Dave is not young. Gary is not cold. Gary is furry. Gary is not quiet. Gary is red. Gary is rough. Gary is not white. Gary is not young. If Gary is furry then Gary is not cold. If Dave is not quiet then Dave is furry. If Gary is not red then Gary is quiet. If something is not white then it is rough. If Dave is quiet then Dave is cold. If something is not cold then it is not young.
Gary is not cold.