code: def sentence():
      return build_sentence(
          "Nějaký muž šel kolem naší zahrady a žil pěkný život samotáře"
      )
  
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 2 for calling a global function with example usage: sentence() and returns: build_sentence