code: def validation_docs(self):
      return self.dataset["validation"]
  
imports: import inspect
  import transformers.data.metrics.squad_metrics
  import lm_eval.datasets.coqa.coqa
  from lm_eval.base import Task, rf, mean
  from itertools import zip_longest
label_desc: Use image node_id 5 for calling the CoQA obj's underlying member method code with example usage: obj.validation_docs() and returns: self