(Program
  (LessThan
    (Identifier)
    (Identifier))
  (LessThanEqual
    (Identifier)
    (Identifier))
  (Not
    (Equal
      (Identifier)
      (Identifier)))
  (GreaterThanEqual
    (Identifier)
    (Identifier))
  (GreaterThan
    (Identifier)
    (Identifier))
  (Not
    (Equal
      (Identifier)
      (Identifier)))
  (Member
    (Identifier)
    (Identifier))
  (Equal
    (Identifier)
    (Identifier))
  (Not
    (Member
      (Identifier)
      (Identifier)))
  (Not
    (Equal
      (Identifier)
      (Identifier))))