IF s1 == s2
      ? "The strings are equal"
   ENDIF
   IF .NOT. (s1 == s2)
      ? "The strings are not equal"
   ENDIF
   IF s1 > s2
      ? "s2 is lexically ordered before than s1"
   ENDIF
   IF s1 < s2
      ? "s2 is lexically ordered after than s1"
   ENDIF