1968
In July 2002 VoiceStream Wireless Corporation was renamed  T-Mobile  USA which operates as the U.S. operating entity of T-Mobile  International AG  the mobile-communications holding company and subsidiary of Deutsche Telekom .
 subsidiaries: T-Mobile, International AG
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:
 subsidiaries: T-Mobile, International AG