code: def setUp(self):
      self.tokenizer = WordTokenizer(SpacyWordSplitter(pos_tags=True))
      self.utterance = self.tokenizer.tokenize("where is mersin?")
      self.token_indexers = {"tokens": SingleIdTokenIndexer("tokens")}
  
      json = {
          "question": self.utterance,
          "columns": ["Name in English", "Location in English"],
          "cells": [["Paradeniz", "Mersin"], ["Lake Gala", "Edirne"]],
      }
      self.graph = TableQuestionKnowledgeGraph.read_from_json(json)
      self.vocab = Vocabulary()
      self.name_index = self.vocab.add_token_to_namespace(
          "name", namespace="tokens"
      )
      self.in_index = self.vocab.add_token_to_namespace(
          "in", namespace="tokens"
      )
      self.english_index = self.vocab.add_token_to_namespace(
          "english", namespace="tokens"
      )
      self.location_index = self.vocab.add_token_to_namespace(
          "location", namespace="tokens"
      )
      self.paradeniz_index = self.vocab.add_token_to_namespace(
          "paradeniz", namespace="tokens"
      )
      self.mersin_index = self.vocab.add_token_to_namespace(
          "mersin", namespace="tokens"
      )
      self.lake_index = self.vocab.add_token_to_namespace(
          "lake", namespace="tokens"
      )
      self.gala_index = self.vocab.add_token_to_namespace(
          "gala", namespace="tokens"
      )
      self.negative_one_index = self.vocab.add_token_to_namespace(
          "-1", namespace="tokens"
      )
      self.zero_index = self.vocab.add_token_to_namespace(
          "0", namespace="tokens"
      )
      self.one_index = self.vocab.add_token_to_namespace(
          "1", namespace="tokens"
      )
  
      self.oov_index = self.vocab.get_token_index(
          "random OOV string", namespace="tokens"
      )
      self.edirne_index = self.oov_index
      self.field = KnowledgeGraphField(
          self.graph,
          self.utterance,
          self.token_indexers,
          self.tokenizer,
      )
  
      super(KnowledgeGraphFieldTest, self).setUp()
  
imports: from __future__ import division
  from __future__ import with_statement
  from __future__ import absolute_import
  from collections import defaultdict
  import pytest
  from numpy.testing import assert_almost_equal
  import torch
  from allennlp.common.testing import AllenNlpTestCase
  from allennlp.data import Vocabulary
  from allennlp.data.fields import KnowledgeGraphField
  from allennlp.data.token_indexers import SingleIdTokenIndexer, TokenCharactersIndexer
  from allennlp.data.tokenizers import WordTokenizer
  from allennlp.data.tokenizers.word_splitter import SpacyWordSplitter
  from allennlp.semparse.contexts import TableQuestionKnowledgeGraph
label_desc: Use image node_id 1 for calling the KnowledgeGraphFieldTest obj's underlying member method code with example usage: obj.setUp() without return types