code: def setup_data(self, fold):
      with PathManager.open(
          os.path.join(self.dpath, self.fold + "_with_gold.json")
      ) as json_file:
          gold_datas = json.load(json_file)["data"]
      for gold_data in gold_datas:
          text = gold_data["question"]
          label = gold_data["short_answers"][0]
          if self.opt.get("normalize_everything"):
              text = normalize_answer(text)
              label = normalize_answer(label)
          yield {
              "text": text,
              "label": label,
              "title": gold_data["title"],
              "checked_sentence": gold_data["context"],
              "answers": json.dumps(gold_data["short_answers"]),
          }, True
  
imports: import copy
  import os
  import json
  import jsonlines
  from typing import List, Optional, Tuple
  from parlai.core.teachers import ChunkTeacher, DialogTeacher
  from .build import build, DATASET_NAME_LOCAL, build_sample
  from .build_open import build
  from .utils.text_utils import simplify_nq_example
  from parlai.core.opt import Opt
  from parlai.core.message import Message
  from parlai.core.metrics import ExactMatchMetric, normalize_answer, AverageMetric
  from parlai.core.params import ParlaiParser
  from parlai.utils.data import DatatypeHelper
  from parlai.utils.io import PathManager
  import parlai.utils.logging
label_desc: Use image node_id 3 for calling the NaturalQuestionsOpenTeacher obj's underlying member method code with example usage: obj.setup_data(fold) without return types