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