code: def get_most_frequent_response(input_statement, response_list, storage=None):
      
      matching_response = None
      occurrence_count = -1
  
      logger = logging.getLogger(__name__)
      logger.info('Selecting response with greatest number of occurrences.')
  
      for statement in response_list:
          count = len(list(storage.filter(
              text=statement.text,
              in_response_to=input_statement.text)
          ))
  
          # Keep the more common statement
          if count >= occurrence_count:
              matching_response = statement
              occurrence_count = count
  
      # Choose the most commonly occuring matching response
      return matching_response
docs: :param input_statement: A statement, that closely matches an input to the chat bot.
      :type input_statement: Statement
  
      :param response_list: A list of statement options to choose a response from.
      :type response_list: list
  
      :param storage: An instance of a storage adapter to allow the response selection
                      method to access other statements if needed.
      :type storage: StorageAdapter
  
      :return: The response statement with the greatest number of occurrences.
      :rtype: Statement