(Statements
  (Send
    (Identifier)
    (Send
      (Identifier))
    (Send
      (Identifier))
    (KeyValue
      (SymbolElement)
      (Integer))
    (KeyValue
      (SymbolElement)
      (Boolean)))
  (Send
    (Send
      (Identifier))
    (Identifier))
  (Send
    (Identifier)
    (Send
      (Identifier))
    (Send
      (Identifier)))
  (Send
    (Identifier)
    (Identifier))
  (Send
    (Identifier)
    (Identifier))
  (Send
    (Identifier)
    (Identifier)))