country("Belgium","B","Brussels","Brabant",30510,10170241). city("Brussels","B","Brabant",951580,null,null,null). province("Brabant","B",2253794,3358,"Brussels","Brabant"). organization("EU","European Union","Brussels","B","Brabant","1992-02-07"). isMember("B","EU","member"). ext_del_country("Belgium","B","Brussels","Brabant",30510,10170241). % lparse -n 0 refint1.s refint2.s refint3.s refint4.s refint-del-b1.s| smodels