input: from typing import Dict
  
  def generate_response(question: str, answers: Dict[str, str]) -> str:
      """Generate a response to a question based on a predefined dictionary of answers. If the question is not found in the dictionary, a random response is generated.
  
      >>> generate_response('What is XYZ?', {'What is XYZ?': 'XYZ is a company that provides XYZ services.'})
      'XYZ is a company that provides XYZ services.'
      >>> generate_response('What products do you offer?', {'What is XYZ?': 'XYZ is a company that provides XYZ services.'})
      'I am not sure I understand.'
      """
output:     if question in answers:
          return answers[question]
      else:
          return 'I am not sure I understand.'