Premise: Elizabeth II ( Elizabeth Alexandra Mary ; born 21 April 1926 ) has been Queen of the United Kingdom , Canada , Australia , and New Zealand since 6 February 1952 . Elizabeth 's many historic visits and meetings include a state visit to the Republic of Ireland and visits to or from five popes . In October 2016 , she became the longest currently reigning monarch and head of state following the death of King Bhumibol Adulyadej of Thailand .
Hypothesis: Elizabeth II is a person.
Label: ENTAILMENT