code: def step_3(word, r1, r2):
      for trip in s3_triples:
          attempt = step_3_helper(
              word, r1, r2, trip[0], trip[1], trip[2]
          )
          if attempt:
              return attempt
      return word
  
imports: import re
label_desc: Use image node_id 16 for calling a global function with example usage: step_3(word, r1, r2) and returns: word, attempt