Complex sentence: The Italian Republican Party ("Partito Repubblicano Italiano", PRI) is an old liberal party in Italy, that originally took a moderate left-wing position, claiming descent from the political position of Giuseppe Mazzini.
Split into simpler sentences: The Italian Republican Party ("Partito Repubblicano Italiano", PRI) is a liberal party in Italy. It is an old liberal party in Italy, that originally took a left-wing position, claiming descent from the political position of Giuseppe Mazzini.