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