What should you do when you are in a roundabout and an emergency vehicle approaches?

• Exit through your intended exit and keep driving
• Come to a complete stop immediately.
• Slow down your vehicle.
  Explanation:

  "If you are in a roundabout when an emergency vehicle approaches, exit at your intended exit and proceed beyond the traffic island before pulling over. If you have not yet entered the roundabout, pull over to the right and wait until the emergency vehicle has passed."
• Pull over within the roundabout.