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Jade Cargo International was a cargo airline with its headquarters on the sixth floor of the  Shenzhen Airlines  Flight Operations Building at Shenzhen Bao'an International Airport Bao'an District Shenzhen  Guangdong  China .
 city of headquarters: Shenzhen Airlines, Guangdong
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:
 city of headquarters: Shenzhen Airlines, Guangdong