Question: Who is this British politician and former Prime Minister of the United Kingdom who also contributed to the policy-making system of the Labour Party?
Sentence (from "Tony Blair"): Anthony Charles Lynton Blair (born 6 May 1953) is a British politician who served as Prime Minister of the United Kingdom from 2 May 1997 to 27 June 2007 and Leader of the Labour Party from 21 July 1994 to 24 June 2007.
Relevant evidence: Yes