input: def generate_response(question: str) -> str:
      """ Given a question, returns a predefined response or a randomly generated response if the question is not recognized.
      >>> generate_response('What is XYZ?')
      'XYZ is a company that provides XYZ services.'
      >>> generate_response('What does XYZ do?')
      'XYZ helps customers find solutions to their problems.'
      >>> generate_response('Where is XYZ located?')
      'XYZ is located in ABC city.'
      >>> generate_response('What are the benefits of using XYZ?')
      'XYZ provides a quick and easy way to find solutions to your problems.'
      >>> generate_response('What is the weather today?')
      'I am not sure I understand.'
      """
output:     predefined_responses = {
          'What is XYZ?': 'XYZ is a company that provides XYZ services.',
          'What does XYZ do?': 'XYZ helps customers find solutions to their problems.',
          'Where is XYZ located?': 'XYZ is located in ABC city.',
          'What are the benefits of using XYZ?': 'XYZ provides a quick and easy way to find solutions to your problems.'
      }
      
      return predefined_responses.get(question, 'I am not sure I understand.')