public static PLPropositionContainer testServerGetRulesForConcept() {
    { PLString modstring = PLString.new_PLString();
      PLString instancestring = PLString.new_PLString();

      modstring.Value = "AIRCRAFT-KB";
      instancestring.Value = "WIDTH-RELATION";
      return (PLString.serverGetRulesForConcept(modstring, instancestring));
    }
  }