premise: Bermuda Triangle is where a number of aircraft and ships have disappeared under mysterious circumstances.
hypothesis: The Bermuda Triangle , also known as the Devil 's Triangle , is a loosely-defined region in the western part of the North Atlantic Ocean , where a number of aircraft and ships are said to have disappeared under mysterious circumstances . The Bermuda Triangle is a best-selling 1974 book by Charles Berlitz which popularized the belief of the Bermuda Triangle as an area of ocean prone to disappearing ships and airplanes .