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