code: def get_r1(word):
      # exceptional forms
      if word.startswith("gener") or word.startswith("arsen"):
          return 5
      if word.startswith("commun"):
          return 6
  
      # normal form
      match = r_exp.match(word)
      if match:
          return match.start(1)
      return len(word)
  
imports: import re
label_desc: Use image node_id 1 for calling a global function with example usage: get_r1(word) and returns: len, int, int, match