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Luu Van Kien 31-year-old office clerk of the Saigon Joint Stock Company in  Vietnam  's economic hub southern  Ho Chi Minh  City unceasingly clicked on a website in hope of online buying a train ticket for a trip to Hanoi capital to visit his parents there before the approaching Lunar New Year Festival but notices on the computer monitor indicated that all tickets were sold out .
 countries of residence: Vietnam, Ho Chi Minh
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Vietnam, Ho Chi Minh 
Answer:
 countries of residence: Vietnam, Ho Chi Minh