class_docstr: Predict the gender of character given the dialogue utterance.
class_docstr_tok: ["Predict","the","gender","of","character","given","the","dialogue","utterance","."]
code: def get(self, episode_idx, entry_idx):
      ep = self.data[episode_idx]
      # add label candidates
      # we do not want to hardcode these in the saved data, in case
      # we try to change them
      class_type = ep["class_type"]
  
      if gend_utils.UNKNOWN in ep["labels"][0]:
          # for unknown, we alternate M/F during training
          ep["labels"] = gend_utils.UNKNOWN_LABELS[class_type]
  
      ep["label_candidates"] = self.label_candidates[class_type]
      return Message(ep)
  
imports: from typing import Optional
  from parlai.core.params import ParlaiParser
  from parlai.core.opt import Opt
  from parlai.core.message import Message
  from parlai.core.teachers import FixedDialogTeacher
  from parlai.tasks.convai2.agents import BothTeacher
  from parlai.tasks.md_gender.build import build
  from parlai.utils.misc import warn_once
  import parlai.tasks.md_gender.utils
  from copy import deepcopy
  import json
  import random
  import os
label_desc: Use image node_id 9 for calling the Convai2Teacher obj's underlying member method code with example usage: obj.get(episode_idx, entry_idx) and returns: Message