(Statements
  (Call
    (Identifier)
    (Symbol)
    (Empty))
  (Call
    (Identifier)
    (Send
      (Identifier))
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Empty))
  (Call
    (Identifier)
    (Identifier)
    (Empty))
  (Call
    (Identifier)
    (Symbol)
    (Symbol)
    (Empty)))