code: def validation_docs(self):
      return self.dataset["validation"]
  
imports: import numpy
  import sacrebleu
  import datasets
  from rouge_score import rouge_scorer, scoring
  from lm_eval.base import rf, Task
  from lm_eval.metrics import mean
  from lm_eval.utils import bleu, rouge
label_desc: Use image node_id 5 for calling the TruthfulQAMultipleChoice obj's underlying member method code with example usage: obj.validation_docs() and returns: self