(Program
{+(Throw
  {+(Call
    {+(QualifiedIdentifier
      {+(Identifier)+})+}
    {+(TextElement)+}
    {+(Empty)+})+})+}
{+(Throw
  {+(
    {+(Call
      {+(QualifiedIdentifier
        {+(Identifier)+})+}
      {+(TextElement)+}
      {+(Empty)+})+}
    {+(Identifier)+})+})+}
  (Throw
    ([]))
{-(Throw
  {-(Call
    {-(QualifiedIdentifier
      {-(Identifier)-})-}
    {-(TextElement)-}
    {-(Empty)-})-})-}
{-(Throw
  {-(
    {-(Call
      {-(QualifiedIdentifier
        {-(Identifier)-})-}
      {-(TextElement)-}
      {-(Empty)-})-}
    {-(Identifier)-})-})-})