class_docstr: Abstract class for dialog problems.
code: def is_generate_per_split(self):
      return True
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import re
  import tarfile
  import zipfile
  import requests
  from tensor2tensor.data_generators import generator_utils
  from tensor2tensor.data_generators import problem
  from tensor2tensor.data_generators import text_encoder
  from tensor2tensor.data_generators import text_problems
  from tensor2tensor.data_generators.text_problems import VocabType
  from tensor2tensor.layers import modalities
  from tensor2tensor.utils import metrics
  import tensorflow.compat.v1
label_desc: Use image node_id 2 for calling the DialogAbstract obj's underlying member method code with example usage: obj.is_generate_per_split() and returns: True