class_docstr: Subject verb agreement as language modeling task.
class_docstr_tok: ["Subject","verb","agreement","as","language","modeling","task","."]
code: def vocab_type(self):
      return text_problems.VocabType.TOKEN
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import csv
  import gzip
  import os
  import random
  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.utils import metrics
  from tensor2tensor.utils import registry
  import tensorflow.compat.v1
label_desc: Use image node_id 5 for calling the SvaLanguageModeling obj's underlying member method code with example usage: obj.vocab_type() and returns: text_problems