code: def task(self):
      raise NotImplementedError()
  
imports: from abc import ABC
  import numpy
  import torch
  from dataclasses import dataclass
  from typing import List
  from jiant.tasks.core import Task, TaskTypes, BaseExample, BaseTokenizedExample, BaseDataRow, BatchMixin
  from jiant.tasks.lib.templates.shared import create_input_set_from_tokens_and_segments, add_cls_token
  from jiant.tasks.utils import truncate_sequences
label_desc: Use image node_id 1 for calling the Example obj's underlying member method code with example usage: obj.task() without return types