input: from typing import Dict
  
  def generate_response(question: str, answers: Dict[str, str]) -> str:
      """ This function generates a response to a user's question based on a predefined dictionary of answers.
      If the question is found in the dictionary, the corresponding answer is returned.
      If the question is not found, 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('How does XYZ work?', {'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."