Task: Text Categorization
Input (English): Text:  Boris Souvarine (born Boris Konstantinovich Lifschitz and also known as Varine; 1895 – 1 November 1984) was a French Marxist communist activist essayist and journalist. Souvarine was a founding member of the French Communist Party and is noted for being the only non-Russian communist to have been a member of the Comintern for three years in succession.
Output (English): 5