docstr: Counts number of bonus/stigma words.
  
  :param iterable words:
      Collection of words.
  :returns pair:
      Tuple with number of words (bonus words, stigma words).
code: def _count_words(self, words):
      """
      Counts number of bonus/stigma words.
  
      :param iterable words:
          Collection of words.
      :returns pair:
          Tuple with number of words (bonus words, stigma words).
      """
      bonus_words_count = 0
      stigma_words_count = 0
  
      for word in words:
          if word in self._bonus_words:
              bonus_words_count += 1
          if word in self._stigma_words:
              stigma_words_count += 1
  
      return bonus_words_count, stigma_words_count
  
file_path: sumy/sumy/summarizers/edmundson_cue.py
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
  from ._summarizer import AbstractSummarizer
label_desc: Use image node_id 4 for calling the EdmundsonCueMethod obj's underlying member method code with example usage: obj._count_words(words) and returns: bonus_words_count,  stigma_words_count