code: def create_likelihood(self):
      return SoftmaxLikelihood(num_features=6, num_classes=4)
  
file_path: gpytorch/test/likelihoods/test_softmax_likelihood.py
imports: import unittest
  import torch
  from torch.distributions import Distribution
  from gpytorch.distributions import MultitaskMultivariateNormal, MultivariateNormal
  from gpytorch.likelihoods import SoftmaxLikelihood
  from gpytorch.test.base_likelihood_test_case import BaseLikelihoodTestCase
label_desc: Use image node_id 4 for calling the TestSoftmaxLikelihood obj's underlying member method code with example usage: obj.create_likelihood() and returns: SoftmaxLikelihood