code: def _divide_evaluation(numerator_sentences, denominator_sentences):
      denominator_sentences = frozenset(denominator_sentences)
      numerator_sentences = frozenset(numerator_sentences)
  
      if (
          len(numerator_sentences) == 0
          or len(denominator_sentences) == 0
      ):
          raise ValueError(
              "Both collections have to contain at least 1 sentence."
          )
  
      common_count = len(denominator_sentences & numerator_sentences)
      choosen_count = len(denominator_sentences)
  
      assert choosen_count != 0
      return common_count / choosen_count
  
imports: from __future__ import absolute_import
  from __future__ import division, print_function, unicode_literals
label_desc: Use image node_id 4 for calling a global function with example usage: _divide_evaluation(numerator_sentences, denominator_sentences) and returns: unknown