Complex sentence: The Roman Catholic Bishop of Honolulu is the residential bishop of the Roman Catholic Diocese of Honolulu in the United States, which encompasses the entire state of Hawaii and the unincorporated Hawaiian Islands.
Split into simpler sentences: The Roman Catholic Bishop of Honolulu is a prelate bishop of the Roman Catholic Church in the United States. He serves as ordinary of the Diocese of Honolulu which encompasses the entire state of Hawaii and the unincorporated Hawaiian Islands.