Original sentence: Elizabeth II (Elizabeth Alexandra Mary Windsor; born 21 April 1926) is Queen of the United Kingdom of Great Britain and Northern Ireland.She is also recognised as queen by 15 other sovereign states, collectively known as the Commonwealth Realms.These are Canada, Australia, New Zealand, Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, the Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Antigua and Barbuda, Belize, and Saint Kitts and Nevis
Edited sentence: Elizabeth II (Elizabeth Alexandra Mary Windsor; born 21 April 1926) is Queen of 16 sovereign states, collectively known as the Commonwealth Realms.She resides in her oldest realm, the United Kingdom, and therefore has the most personal involvement in her government there.These are the United Kingdom, Canada, Australia, New Zealand, Jamaica, Barbados, the Bahamas, Grenada, Papua New Guinea, the Solomon Islands, Tuvalu, Saint Lucia, Saint Vincent and the Grenadines, Antigua and Barbuda, Belize, and Saint Kitts and Nevis