1124
United Airlines announced it would begin a daily passenger and cargo service between  Vietnam  's southern  Ho Chi Minh  City and Los Angeles via China's Hong Kong on Oct. 29 .
 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