code: def training_docs(self):
      return self.dataset["train"]
  
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 4 for calling the MuTualBase obj's underlying member method code with example usage: obj.training_docs() and returns: self