code: def get(self, episode_idx, entry_idx=0):
      episode = self.episodes[episode_idx]
      entry = episode["qas"][entry_idx]["question"]
      if entry_idx == 0:
          entry = episode["context"] + "\n" + entry
      episode_done = entry_idx == len(episode["qas"]) - 1
      action = {
          "id": self.id,
          "text": entry,
          "episode_done": episode_done,
          "labels": [episode["qas"][entry_idx]["answer"]],
          "label_candidates": episode["qas"][entry_idx]["choice"],
      }
      return action
  
file_path: ParlAI/parlai/tasks/dream/agents.py
imports: from parlai.core.teachers import FixedDialogTeacher
  from parlai.utils.io import PathManager
  from .build import build
  import os
  import json
label_desc: Use image node_id 7 for calling the DREAMTeacher obj's underlying member method code with example usage: obj.get(episode_idx, entry_idx) and returns: action