code: def tokenize(self, tokenizer):
      return TokenizedExample(
          guid=self.guid,
          input_tokens=tokenizer.tokenize(self.text),
      )
  
imports: import numpy
  import torch
  from dataclasses import dataclass
  from typing import List, Tuple
  from jiant.utils.python.datastructures import ReusableGenerator
  from jiant.tasks.core import Task, TaskTypes, BaseExample, BaseTokenizedExample, BaseDataRow, BatchMixin
  from jiant.tasks.lib.templates.shared import construct_single_input_tokens_and_segment_ids, create_input_set_from_tokens_and_segments
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