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