Gary is green. Gary is kind. Gary is nice. Gary is not quiet. Gary is rough. Gary is white. Gary is young. If Gary is green then Gary is rough. If Gary is not nice then Gary is green. All quiet, young people are white. If Gary is green then Gary is rough. If Gary is not nice then Gary is rough. If someone is not nice then they are kind. If Gary is not young and Gary is not kind then Gary is quiet. If Gary is not white then Gary is not young.
Gary is not rough.