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