Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Stalin's Fake Polar Flights of the 1930's

Few polar historians or academics are aware of the late Robert J. Morrison's 1987 exposure of Stalin's North Pole scam of the 1930's, in "Russia's Shortcut to Fame: 50-Year Hoax Exposed." Morrison researched from previously classified US Army documents and photographic evidence that the so-called record setting flights originated from remote islands of the Alaskan panhandle to Vancouver, WA and San Jacinto, CA, not from Moscow as Stalin wanted the world to believe. Also Levanevsky was not lost in the Arctic, but was a victim of Stalin's great paranoid 1937 purge