code: def has_training_docs(self):
      return False
  
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 2 for calling the TruthfulQAGeneration obj's underlying member method code with example usage: obj.has_training_docs() and returns: False