[ capword ( year ) ] sp capword sp capword sp ( othword . ) sp capword sp capword sp othword sp capword - capword sp capword sp capword , capword sp capword sp ( othword . ) , sp othword sp num sp othword sp capword sp othword sp othword sp othword sp othword sp othword sp othword sp othword sp othword ( capword sp capword , sp year ) . sp upword sp num - year - num - num - num .