text: file = "results/score/testb.preds.txt"
  
  tmp = []
  with open(file, "r", encoding="utf8") as f:
      for line in f.readlines():
          tmp.append(line.replace("E-", "I-").replace("S-", "B-"))
  
  with open(file, "w", encoding="utf8") as f:
      f.writelines(tmp)
  