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