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