code: def get_random_response(input_statement, response_list, storage=None):
      """
      :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: Choose a random response from the selection.
      :rtype: Statement
      """
      from random import choice
  
      logger = logging.getLogger(__name__)
      logger.info(
          "Selecting a response from list of {} options.".format(
              len(response_list)
          )
      )
      return choice(response_list)
  
label_desc: Use image node_id 3 for calling a global function with example usage: get_random_response(input_statement, response_list, storage) and returns: choice