code: def get(self, episode_idx, entry_idx=0):
      # Sometimes we're speaker 1 and sometimes we're speaker 2
      speaker_id = episode_idx % 2
      full_eps = self.data[episode_idx // 2]
  
      entries = [START_ENTRY] + full_eps["dialogue"]
      their_turn = entries[speaker_id + 2 * entry_idx]
      my_turn = entries[1 + speaker_id + 2 * entry_idx]
  
      episode_done = (
          2 * entry_idx + speaker_id + 1
          >= len(full_eps["dialogue"]) - 1
      )
  
      action = Message(
          {
              "topic": full_eps["topic"],
              "text": their_turn["text"],
              "emotion": their_turn["emotion"],
              "act_type": their_turn["act"],
              "labels": [my_turn["text"]],
              "episode_done": episode_done,
          }
      )
      return action
  
imports: import os
  import json
  from parlai.core.message import Message
  from parlai.core.teachers import FixedDialogTeacher
  from parlai.utils.io import PathManager
  from .build import build
label_desc: Use image node_id 5 for calling the Convai2Teacher obj's underlying member method code with example usage: obj.get(episode_idx, entry_idx) and returns: action