Premise: The Labour Party is a centre-left political party in the United Kingdom . This is a list of United Kingdom general elections ( elections for the UK House of Commons ) since the first in 1802 . The Prime Minister of the United Kingdom is the head of Her Majesty 's Government in the United Kingdom . Anthony Charles Lynton Blair ( born 6 May 1953 ) is a British politician who served as Prime Minister of the United Kingdom from 1997 to 2007 and Leader of the Labour Party from 1994 to 2007 .
Hypothesis: Tony Blair was a leader of the United Kingdom.
Label: ENTAILMENT