Task: Text Categorization
Input (English): Aleksandr Benckendorff was charged with hunting them down, and many had been members of the Union of Salvation and the Union of Welfare. Five of them were officially executed including Pavel Pestel who organized the Southern Society and the poet Kondraty Ryelev who hoped that his Northern faction's refusal to support Nicholas I's ascension would spark an uprising that would leave Prince Trubestkoy as dictator. FTP identify this mostly upper-class group of Russian revolutionaries whose 1825 rebellion failed and who are named for the month in which their aborted operations took place.
Output (English): History