7597
Air Niugini  Limited is the national airline of  Papua New Guinea  based in Air Niugini House on the property of Jacksons International Airport Port Moresby .
 country of headquarters: Air Niugini, Papua New Guinea
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:
 country of headquarters: Air Niugini, Papua New Guinea