code: def infer_outputs(self):
      conversation_batch_axis = C.Axis.default_batch_axis()
      return [
          C.output_variable(
              (C.FreeDimension,) + self.inputs[0].shape,
              self.inputs[0].dtype,
              [conversation_batch_axis],
          )
      ]
  
imports: from __future__ import division
  import numpy
  import pytest
  import cntk
  from .ops_test_utils import cntk_device
  from cntk.tests.test_utils import _to_dense, _to_csr
  from .ops_test_utils import unittest_helper, _test_unary_op, _test_binary_op, AA, precision, PRECISION_TO_TYPE, cntk_device
  from cntk import Value
  from cntk.axis import Axis
  from cntk.internal import sanitize_dtype_cntk
  from ..None import constant
label_desc: Use image node_id 2 for calling the UtteranceBatchReshape obj's underlying member method code with example usage: obj.infer_outputs() and returns: list