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Omni Air International  Inc. is a United States charter airline with its headquarters in Hangar 19 on the grounds of Tulsa International Airport in Tulsa  Oklahoma  USA .
 state or province of headquarters: Omni Air International, Oklahoma
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:
 state or province of headquarters: Omni Air International, Oklahoma