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HO CHI MINH  CITY VIETNAM Nov. 1 ( Xinhua ) -- A senior official of the Communist Party of China ( CPC ) Zhou Yongkang on Friday visited Ho Chi Minh city the last-leg of his five-day  Vietnam  trip .
 countries of residence: HO CHI MINH, Vietnam
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: HO CHI MINH, Vietnam