code: def setup_data(self, datafile):
      all_data = [json.loads(line.strip()) for line in open(datafile)]
      for data in all_data:
          persona = data["persona"]
          pattern = data["pattern"] + " (" + data["pattern_def"] + ")"
          thought = data["thought"]
          persona_token = ""
          pattern_token = "[PAT]"
          thought_token = "[THT]"
          for reframe in data["reframes"]:
              input = " ".join(
                  [
                      persona_token,
                      persona,
                      pattern_token,
                      pattern,
                      thought_token,
                      thought,
                  ]
              ).strip()
              yield (input, reframe["reframe"]), True
  
file_path: ParlAI/parlai/tasks/reframe_thoughts/agents.py
imports: import os
  import copy
  import json
  from parlai.core.teachers import DialogTeacher
  from .build import build
label_desc: Use image node_id 2 for calling the ReframeThoughtsTeacher obj's underlying member method code with example usage: obj.setup_data(datafile) without return types