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