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After Merkel in seniority is the Prime Minister of Canada Stephen Harper who has served as Prime Minister since 6 February 2006 and the President of the United States Barack Obama who assumed office on 20 January 2009 the Prime Minister of the United Kingdom David Cameron who assumed office on 11 May 2010 the President of France Hollande who took office 15 May 2012 the Prime Minister of  Japan   Shinz Ab  e who took office on 26 December 2012 and the last is Prime Minister of Italy Enrico Letta who took office on 28 April 2013 .
 countries of residence: Japan, Shinz Ab
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "relation1: word1, word2; relation2: word3, word4". 
Option: cities of residence, top members employees, members, alternate names, origin, state or provinces of residence, title of person, spouse, city of headquarters, NA, founded by, state or province of headquarters, employee of, countries of residence, country of birth, founded, subsidiaries, country of headquarters 
Text: {0} 
Answer:
 countries of residence: Japan, Shinz Ab