Create a set of triples that describes the content in the following sentence.

Elizabeth II and David Cameron are the leaders of the United Kingdom in which London is the capital city. AIDS journal is published in the U.K. by Lippincott Williams & Williams.
United Kingdom LEADER_NAME David Cameron
AIDS (journal) COUNTRY United Kingdom
United Kingdom CAPITAL London
AIDS (journal) PUBLISHER Lippincott Williams & Wilkins
United Kingdom LEADER_NAME Elizabeth II