code: def doc_to_target(self, doc):
      return " " + self.detokenize(
          doc["options"][self.CHOICES.index(doc["answers"])]
      )
  
imports: import numpy
  import inspect
  import lm_eval.datasets.mutual.mutual
  from lm_eval.base import Task, rf
  from lm_eval.metrics import mean
label_desc: Use image node_id 10 for calling the MuTualBase obj's underlying member method code with example usage: obj.doc_to_target(doc) and returns: unknown