LIST
 FUNCTION
  IDENTIFIER (main)
  LIST
   IDENTIFIER (a)
   IDENTIFIER (b)
  BLOCK
   LIST
    IF_STATEMENT
     NUMBER_LITERAL (1)
     PRINTLN_STATEMENT
      LIST
       STRING_LITERAL ("Always")
    IF_STATEMENT
     NUMBER_LITERAL (0)
     PRINTLN_STATEMENT
      LIST
       STRING_LITERAL ("Never")
     PRINTLN_STATEMENT
      LIST
       STRING_LITERAL ("This, however!")
    IF_STATEMENT
     OPERATOR (>)
      IDENTIFIER (a)
      IDENTIFIER (b)
     BLOCK
      LIST
       PRINTLN_STATEMENT
        LIST
         IDENTIFIER (a)
         STRING_LITERAL (">")
         IDENTIFIER (b)
     IF_STATEMENT
      OPERATOR (<)
       IDENTIFIER (a)
       IDENTIFIER (b)
      BLOCK
       LIST
        PRINTLN_STATEMENT
         LIST
          IDENTIFIER (a)
          STRING_LITERAL ("<")
          IDENTIFIER (b)
      BLOCK
       LIST
        PRINTLN_STATEMENT
         LIST
          IDENTIFIER (a)
          STRING_LITERAL ("=")
          IDENTIFIER (b)
    IF_STATEMENT
     IDENTIFIER (a)
     IF_STATEMENT
      IDENTIFIER (b)
      PRINTLN_STATEMENT
       LIST
        STRING_LITERAL ("a & b")
      PRINTLN_STATEMENT
       LIST
        STRING_LITERAL ("a, but not b")