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