code: def doc_to_target(self, doc):
      # ステップごとの答え： is in text instead of target
      # so that the model doesn't have to generate it
      return "" + doc["answer"].replace("ステップごとの答え：", "")
  
imports: import os
  from lm_eval.base import rf
  from lm_eval.tasks.gsm8k import GradeSchoolMath8K, INVALID_ANS
  import re
  import inspect
label_desc: Use image node_id 2 for calling the MGSM obj's underlying member method code with example usage: obj.doc_to_target(doc) and returns: unknown