Task: Text Categorization
Input (English): This person was attacked in a "Letter... to a Friend," in which Giovanni Caroli questioned his claims. The Piagnoni formed to preserve the memory of this thinker, who wrote Infelix ego, a meditation on Pslam 51, shortly before his death. His Compendium of Revelations contains his dichotomy of prophecies and images of a black cross above Rome and a gold cross above Jerusalem. He supported the invasion of Florence by Charles VIII, but was excommunicated for defying Pope Alexander VI. FTP, name this Dominican friar and reformer, who led the 1497 "Bonfire of the Vanities. "
Output (English): History