code: def __init__(self, data):
      self.data = data
  
imports: import sys
  import os
  import numpy
  import random
  from transformers import T5Tokenizer
  import os
  from os.path import join
  import json
  import pickle
  import logging
  import torch
  import copy
  import torch
  from torch.utils.data import Dataset, DataLoader
  import torch.nn.functional
  import util
label_desc: Use image node_id 1 to create a new CorefDataset object from inherited base classes: Dataset with example: obj = CorefDataset(data)