code: def _augmented_c_undirected_one_nbr_a():
      """Returns an augmented `tf.train.Example` instance for node C with nbr A."""
      augmented_c = _example_c()
      augmented_c.MergeFrom(_node_as_neighbor(_example_a(), 0, 0.9))
      augmented_c.MergeFrom(_num_neighbors_example(1))
      return augmented_c
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from absl.testing import absltest
  from neural_structured_learning.tools import graph_utils
  from neural_structured_learning.tools import pack_nbrs
  import tensorflow
  from google.protobuf import text_format
label_desc: Use image node_id 14 for calling a global function with example usage: _augmented_c_undirected_one_nbr_a() and returns: augmented_c