code: def mk_correct_order_func(s1, s2):
      def correct_order(s):
          n1 = string.find(s, s1)
          n2 = string.find(s, s2)
          return (n1 != -1) and (n2 != -1) and (n1 < n2)
  
      return correct_order
  
label_desc: Use image node_id 1 for calling a global function with example usage: mk_correct_order_func(s1, s2) and returns: correct_order, unknown