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 . She is Head of the Commonwealth and Queen of 12 countries that have become independent since her accession : Jamaica , Barbados , the Bahamas , Grenada , Papua New Guinea , Solomon Islands , Tuvalu , Saint Lucia , Saint Vincent and the Grenadines , Belize , Antigua and Barbuda , and Saint Kitts and Nevis . She is the world 's oldest reigning monarch as well as Britain 's longest-lived . 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