(Statements
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  { (Identifier)
  ->(Identifier) }
  {+(Identifier)+}
  {+(Catch
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      {+(Identifier)+})+})+}
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      {+(Identifier)+}
      {+(Identifier)+}
      {+(Identifier)+})+}
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  {+(Catch
    {+(Statements
      {+(Identifier)+}
      {+(Identifier)+})+}
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  {-(Finally
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  (Try
  { (Identifier)
  ->(Identifier) }
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  {-(Catch
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  {-(Catch
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  {-(Catch
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      {-(Identifier)-}
      {-(Identifier)-})-}
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  {-(Catch
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