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