3857
After signing a record contract with  PGP-RTB  a major and high-rated music production company in  Yugoslavia  Brkan moved to Belgrade and lived in a hotel for sixteen months .
 country of headquarters: PGP-RTB, Yugoslavia
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:  PGP-RTB, Yugoslavia 
Answer:
 country of headquarters: PGP-RTB, Yugoslavia