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