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