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