code: def tokenize(self, tokenizer):
      return TokenizedExample(
          guid=self.guid,
          paragraph=tokenizer.tokenize(self.paragraph),
          question=tokenizer.tokenize(self.question),
          answer=tokenizer.tokenize(self.answer),
          label_id=MultiRCTask.LABEL_TO_ID[self.label],
          question_id=self.question_id,
      )
  
imports: import collections
  import numpy
  import torch
  from dataclasses import dataclass
  from typing import List
  from jiant.tasks.core import BaseExample, BaseTokenizedExample, BaseDataRow, BatchMixin, SuperGlueMixin, Task, TaskTypes
  from jiant.tasks.lib.templates.shared import labels_to_bimap, add_cls_token, create_input_set_from_tokens_and_segments
  from jiant.tasks.utils import truncate_sequences
  from jiant.utils.python.io import read_json_lines
label_desc: Use image node_id 1 for calling the Example obj's underlying member method code with example usage: obj.tokenize(tokenizer) and returns: TokenizedExample