[ num ] sp caplet . sp capword , sp capword sp othword sp othword : sp capword sp othword sp othword sp othword sp othword othword sp othword othword sp othword othword sp othword sp othword , sp capword . caplet . sp othword , sp capword sp capword sp othword sp capword , sp capword , year . sp [ capword ] . sp capword : sp othword : / / othword . othword . othword / year / num