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