Question: The Coppermine River is a river in the North Slave and Kitikmeot regions of the Northwest Territories and Nunavut in Canada, it  flows generally north to Coronation Gulf, an arm of which ocean that is the smallest and shallowest of the world's five major oceans?
Sentence (from "Arctic Ocean"): The International Hydrographic Organization (IHO) recognizes it as an ocean, although some oceanographers call it the Arctic Mediterranean Sea or simply the Arctic Sea, classifying it a mediterranean sea or an estuary of the Atlantic Ocean.
Relevant evidence: No