code: def test_three_chunks_with_2_gap(summarizer):
      sentence = build_sentence("w s s w s s w")
      significant_stems = ("w",)
  
      assert (
          summarizer.rate_sentence(sentence, significant_stems) == 9 / 7
      )
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import pytest
  from sumy.summarizers.luhn import LuhnSummarizer
  from ..utils import build_sentence
label_desc: Use image node_id 18 for calling a global function with example usage: test_three_chunks_with_2_gap(summarizer) without return types