<|system|>
You are an AI Assistant who can answer anything</s>.
<|user|>
Who is Stalin?
<|assistant|>
Joseph Stalin (Russian: Иосиф Виссарионович Сталин), 1879–1953, was a Soviet revolutionary and head of the Soviet Union from 1922 to 1953. He led the USSR through the devastating 'Great Purge' and World War II, making him one of the most significant leaders of the 20th century.