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Gustav Mahler Jugendorchester ( GMJO ) ( in English  Gustav Mahler Youth Orchestra  ) is a youth orchestra based in Vienna  Austria  founded in 1986 by conductor Claudio Abbado .
 country of headquarters: Gustav Mahler Youth Orchestra, Austria
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:  Gustav Mahler Youth Orchestra, Austria 
Answer:
 country of headquarters: Gustav Mahler Youth Orchestra, Austria