(Program
  (Annotation
    (Annotation
      (Function
        (Identifier)
        (
          (Identifier)))
      (Empty))
    (Identifier))
  (Annotation
    (Annotation
      (Function
        (Identifier)
        (Identifier)
        (Identifier)
        (
          (Identifier)))
      (Empty))
    (Identifier))
  (Annotation
    (Annotation
      (Function
        (Identifier)
        (Identifier)
        (
          (Identifier)))
      (Empty))
    (Identifier)))