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However according to Unstrung while  T-Mobile  plans to launch a limited commercial service using femtocells in  Germany  this year its senior VP of radio networks development Klaus-Juergen Krath has reservation about the technology .
 country of headquarters: T-Mobile, Germany
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: T-Mobile, Germany