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An English-language classic rock digital station from  RTL Group  called Radio  Luxembourg  began in 2005 .
 country of headquarters: RTL Group, Luxembourg
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:  RTL Group, Luxembourg 
Answer:
 country of headquarters: RTL Group, Luxembourg