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