Complex sentence: In half of XXth Century, in Cumaná's library a document, written by a Franciscan monach reported that on Isla Coche a boat was discovered with the embossed inscription "John Bober Polonus, 1726".
Split into simpler sentences: In half of XXth Century, in Cumaná's library has been found a document, written by a Franciscan monach. He reported that on Isla Coche has been found a boat with embossed inscription "John Bober Polonus, 1726".