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