code: def test_answer_close_to_known_input(self):
      input_text = "What is your favourite colour?"
      response = self.chatbot.get_response(input_text)
  
      self.assertIn("Blue", response.text)
  
imports: from tests.base_case import ChatBotTestCase
  from chatterbot.trainers import ListTrainer
  from chatterbot import preprocessors
label_desc: Use image node_id 3 for calling the ChatterBotResponseTests obj's underlying member method code with example usage: obj.test_answer_close_to_known_input() without return types