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