The Canadian Army is headed by the Commander of the Canadian Army and administered through four divisions—the 2nd Canadian Division, the 3rd Canadian Division, the 4th Canadian Division and the 5th Canadian Division—the Canadian Army Doctrine and Training System and the Canadian Army Headquarters.

Answer this question, if possible (if impossible, reply "unanswerable"): What are the four divisions?
the 2nd Canadian Division, the 3rd Canadian Division, the 4th Canadian Division and the 5th Canadian Division