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