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