(Program
  (Module
    (Identifier))
  (Function
    (Identifier)
    (Args)
    (Switch
      (Case
        (Case
          (Other "expression_list"
            (RelationalOperator
            { (Identifier)
            ->(Identifier) }
              (Other "<")
            { (Identifier)
            ->(Identifier) })))
        (FunctionCall
          (Identifier)))
    {+(Case
      {+(Case
        {+(Other "expression_list"
          {+(RelationalOperator
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            {+(Other "<")+}
            {+(Identifier)+})+})+})+}
      {+(FunctionCall
        {+(Identifier)+})+})+}
    {+(Case
      {+(Case
        {+(Other "expression_list"
          {+(RelationalOperator
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            {+(Other "==")+}
            {+(NumberLiteral)+})+})+})+}
      {+(FunctionCall
        {+(Identifier)+})+})+}
    {-(Case
      {-(Case
        {-(Other "expression_list"
          {-(RelationalOperator
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            {-(Identifier)-})-})-})-}
      {-(FunctionCall
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    {-(Case
      {-(Case
        {-(Other "expression_list"
          {-(RelationalOperator
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            {-(Other "==")-}
            {-(NumberLiteral)-})-})-})-}
      {-(FunctionCall
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