Complex sentence: The Roman Catholic Archdiocese of Madang is a Metropolitan Archdiocese in Papua New Guinea with suffragan dioceses of Aitape, Lae, Vanimo and Wewak.
Split into simpler sentences: The Roman Catholic Archdiocese of Madang is a Metropolitan Archdiocese in Papua New Guinea. It is responsible for the suffragan dioceses of Aitape, Lae, Vanimo and Wewak.