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Air China  owns 17.5 % of Cathay Pacific ( second largest shareholder ) and the Civil Aviation Administration of  China  ( CAAC ) an administrative agency of the State Council owns majority and controlling stakes in China Southern Airlines China Eastern Airlines and Air China .
 country of headquarters: Air China, China
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:  Air China, China 
Answer:
 country of headquarters: Air China, China