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