input: Write a function to generate a response to user questions from a predefined set of answers.
  assert generate_response('What is XYZ?') == 'XYZ is a company that provides XYZ services.'
  assert generate_response('What does XYZ do?') == 'XYZ helps customers find solutions to their problems.'
  assert generate_response('Where is XYZ located?') == 'XYZ is located in ABC city.'
  assert generate_response('What are the benefits of using XYZ?') == 'XYZ provides a quick and easy way to find solutions to your problems.'
  assert generate_response('Unknown question') in ['I am not sure I understand.', 'Can you give me more information?', 'Can I help you with something else?']
output: def generate_response(question):
      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.'
      }
      default_responses = [
          'I am not sure I understand.',
          'Can you give me more information?',
          'Can I help you with something else?'
      ]
      return responses.get(question, default_responses[0])