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State-owned  Air Koryo  has scheduled flights from  Pyongyang  Sunan International Airport to Beijing ( PEK ) Shenyang ( SHE ) Vladivostok ( VVO ) Moscow ( SVO ) Bangkok ( BKK ) Khabarovsk ( KHV ) Kuala Lumpur ( KUL ) Shanghai ( PVG ) and Kuwait City ( KWI ) Air Koryo also operates limited scheduled service to a few domestic destinations .
 city of headquarters: Air Koryo, Pyongyang
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: Air Koryo, Pyongyang