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