code: def fewshot_examples(self, k, rnd):
      # NOTE: `super().fewshot_examples` samples from training docs which are
      # not available for this test-set-only dataset.
  
      if self._fewshot_docs is None:
          self._fewshot_docs = list(self.test_docs())
  
      return rnd.sample(list(self._fewshot_docs), k)
  
imports: import numpy
  from lm_eval.base import rf, Task
  from lm_eval.metrics import mean
label_desc: Use image node_id 7 for calling the WinogradSchemaChallenge273 obj's underlying member method code with example usage: obj.fewshot_examples(k, rnd) and returns: rnd