private boolean derivationOrderOK(CKYItem modificand, boolean modifySide) {
protected boolean derivationOrderOK(CKYItem modificand, boolean modifySide) {
  private boolean derivationOrderOK(CKYItem modificand, boolean modifySide) {    return (modifySide == Constants.LEFT ?	    modificand.rightSubcat().empty() :	    modificand.leftChildren() == null);  }