(Statements
  (Send
    (Send
      (Identifier))
    (Identifier))
  (Send
    (Identifier)
    (Send
      (Identifier))
    (Send
      (Identifier))
    (KeyValue
      (SymbolElement)
      (Integer))
    (KeyValue
      (SymbolElement)
      (Integer)))
  (Send
    (Identifier)
    (Send
      (Identifier)
      (Send
        (Identifier))))
  (Send
    (Identifier)
    (KeyValue
      (Array)
      (Integer))
    (Identifier)
    (Identifier)
    (Function
      (Empty)
      (Identifier)
      (Function
        (Empty)
        (Integer)))))