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