code: def rouge_zh_score(prediction, reference, **kwargs):
      prediction = " ".join(list(jieba.cut(prediction, cut_all=False)))
      reference = " ".join(list(jieba.cut(reference, cut_all=False)))
      score = rouge_score(prediction, reference)
      return score
  
imports: import difflib
  import re
  import string
  from collections import Counter
  import jieba
  from fuzzywuzzy import fuzz
  from rouge import Rouge
label_desc: Use image node_id 20 for calling a global function with example usage: rouge_zh_score(prediction, reference) and returns: score