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