(Statements
{+(Try
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    {+(Catch
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        {+(Statements
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      {+(Catch
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            {+(Identifier)+})+}
          {+(Statements
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        {+(Send
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    {+(Else
      {+(Empty)+}
      {+(Send
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    {+(Finally
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{+(Method
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  {+(Identifier)+}
  {+(Statements
    {+(Catch
      {+(Statements
        {+(Statements
          {+(Identifier)+})+})+}
      {+(Catch
        {+(Statements
          {+(Statements
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            {+(Identifier)+})+}
          {+(Statements
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        {+(Statements)+})+})+}
    {+(Else
      {+(Empty)+}
      {+(Statements)+})+}
    {+(Finally
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  (Try
  { (Statements
    {-(Send
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    {-(Catch
      {-(Statements
        {-(Statements
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      {-(Send
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  ->(Send
    {+(Identifier)+}) }
  {+(Catch
    {+(Null)+}
    {+(Empty)+})+}))