class_docstr: Base class for bAbi question answering problems.
class_docstr_tok: ["Base","class","for","bAbi","question","answering","problems","."]
code: def __init__(self, *args, **kwargs):
      super(BabiQa, self).__init__(*args, **kwargs)
      assert not self._was_reversed, "This problem is not reversible!"
      assert not self._was_copy, "This problem is not copyable!"
  
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 1 to create a new BabiQa object from inherited base classes: text_problems with example: obj = BabiQa()