code: def setup_data(self, path):
      print("loading: " + path)
  
      for line in open(path, "r"):
          ques = json.loads(line)
  
          image_path = os.path.join(self.images_path, ques["directory"])
          image_file_names = glob.glob(
              image_path
              + "/"
              + self.dt
              + "-"
              + ques["identifier"]
              + "*"
          )
  
          question = "True or False: " + ques["sentence"]
          answer = [ques["label"]] if self.dt != "test" else None
          # print( answer)
          yield (
              question,
              answer,
              None,
              None,
              image_file_names[0],
          ), True
  
file_path: ParlAI/parlai/tasks/nlvr/agents.py
imports: from parlai.core.teachers import DialogTeacher
  from .build import build
  import json
  import os
  import glob
label_desc: Use image node_id 3 for calling the DefaultTeacher obj's underlying member method code with example usage: obj.setup_data(path) without return types