sentence1: Tony Blair, former Prime Minister of the United Kingdom, has left the Church of England and joined the Roman Catholic Church. Blair, currently the special envoy for Quartet on the Middle East, has long been attending mass with his wife and four children, who are all Catholic. Cardinal Cormac Murphy-O'Connor received Blair into full communion with the Catholic Church during Mass at Archbishop's House, Westminster, on Friday.
sentence2: Blair belongs to the Church of England.