input: Write a python function to simulate a simple chatbot response system.
  assert chatbot_response("What is Acme Corporation?") == "Acme Corporation is a global leader in innovation and technology."
  assert chatbot_response("What type of products does Acme Corporation sell?") == "Acme Corporation offers a wide range of products and services, including hardware, software, and cloud-based solutions."
  assert chatbot_response("How long has Acme Corporation been in business?") == "Acme Corporation has been in business for over 50 years."
  assert chatbot_response("What is your favorite color?") in ["I'm sorry, I don't understand.", "Can you provide more information?", "Can you rephrase your question?"]
output: def chatbot_response(query):
      responses = {
          "What is Acme Corporation?": "Acme Corporation is a global leader in innovation and technology.",
          "What type of products does Acme Corporation sell?": "Acme Corporation offers a wide range of products and services, including hardware, software, and cloud-based solutions.",
          "How long has Acme Corporation been in business?": "Acme Corporation has been in business for over 50 years."
      }
      return responses.get(query, "I'm sorry, I don't understand.")