(Program
  (Let
    (Empty)
    (MemberAccess
      (Identifier)
      (Identifier))
    (Statements
      (Assignment
        (Identifier)
        (Boolean))))
  (Statements
    (Let
      (Empty)
      (Call
        (MemberAccess
          (Identifier)
          (Identifier))
        (Identifier)
        (TextElement)
        (Identifier)
        (Empty))
      (Statements))
    (Let
      (Empty)
      (Call
        (MemberAccess
          (Identifier)
          (Identifier))
        (Identifier)
        (TextElement)
        (Identifier)
        (Empty))
      (Statements
        (Identifier)))))