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