class_docstr: Base class for bAbi question answering problems.
class_docstr_tok: ["Base","class","for","bAbi","question","answering","problems","."]
docstr: The subset of dataset.
  
  This should be one of the following:
  {"en", "en-10k", "shuffled", "shuffled-10k"}
docstr_tok: ["The","subset","of","dataset",".","This","should","be","one","of","the","following",":","{","``","en","''",",","``","en-10k","''",",","``","shuffled","''",",","``","shuffled-10k","''","}"]
code: def babi_subset(self):
      """The subset of dataset.
  
      This should be one of the following:
      {"en", "en-10k", "shuffled", "shuffled-10k"}
      """
      raise NotImplementedError
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import os
  import shutil
  import tarfile
  import requests
  import six
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.data_generators import tokenizer
  from tensor2tensor.layers import modalities
  from tensor2tensor.utils import metrics
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the BabiQa obj's underlying member method code with example usage: obj.babi_subset() without return types