code: def get_question_answer(
      self, example_dict: Dict
  ) -> Tuple[t_QUESTION, t_ANSWER_PREFIX_TOKEN, t_ANSWER, Dict]:
      question_token = self.opt.get("question_token", "QUESTION: ")
      question = example_dict["question"]
  
      answer_choices = [
          f"{token} {choice}"
          for choice, token in zip(
              example_dict["answer_choices"], self.opt["choices_prefix"]
          )
      ]
      answer_choices_token = self.opt.get(
          "choices_token", "ANSWER_CHOICES: "
      )
  
      question_text = f"{question_token}{question}{self.inner_separator}{answer_choices_token}{' '.join(answer_choices)}"
  
      answer_idx = example_dict["answer_idx"]
      answer = answer_choices[answer_idx]
  
      qa_dict = {
          "question": question,
          "answer": answer,
          "answer_idx": answer_idx,
          "choices": answer_choices,
      }
      return question_text, self.answer_token, answer, qa_dict
  
file_path: ParlAI/parlai/tasks/reasoning/question_answer.py
imports: from parlai.core.opt import Opt
  from parlai.core.params import ParlaiParser
  from typing import Dict, Optional, Tuple
  from parlai.tasks.reasoning.base import t_QUESTION, t_ANSWER_PREFIX_TOKEN, t_ANSWER, AbstractQuestionAnswer
label_desc: Use image node_id 2 for calling the MultipleChoiceQuestionAnswer obj's underlying member method code with example usage: obj.get_question_answer(example_dict) and returns: question_text,  self,  answer,  qa_dict