(Program
  (Module
    (Identifier))
  (Function
    (Empty)
    (Identifier)
    ([])
    (
      (Assignment
        (Annotation
          (
          { (Identifier)
          ->(Identifier) })
          (Identifier))
        ([]))
      (Assignment
        (Annotation
          (
          { (Identifier)
          ->(Identifier) }
          { (Identifier)
          ->(Identifier) })
          (Identifier))
        ([])))))