code: def test_two_sentences():
      document = build_document(
          ("I am that 1. sentence", "And I am 2. winning prize")
      )
      summarizer = ReductionSummarizer()
      summarizer.stop_words = (
          "I",
          "am",
          "and",
          "that",
      )
  
      returned = summarizer(document, 10)
      assert len(returned) == 2
      assert to_unicode(returned[0]) == "I am that 1. sentence"
      assert to_unicode(returned[1]) == "And I am 2. winning prize"
  
file_path: sumy/tests/test_summarizers/test_reduction.py
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
  from sumy.summarizers.reduction import ReductionSummarizer
  from sumy.nlp.stemmers import Stemmer
  from sumy._compat import to_unicode
  from ..utils import build_document
label_desc: Use image node_id 3 for calling a global function with example usage: test_two_sentences() without return types