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Sarkozy was to visit a job-centre in Marylebone central  London  and the Cabinet War Rooms in Whitehall used by prime minister  Winston Churchill  in World War II .
 cities of residence: London, Winston Churchill
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:
 cities of residence: London, Winston Churchill