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Asper's stations ( including CKVU-TV in Vancouver Saskatchewan stations CFRE-TV/Regina and CFSK-TV/Saskatoon CKND-TV in  Winnipeg  and CIHF-TV in Halifax ) formed a mini-network for a number of years that was known as the  Canwest  Global System which eventually evolved into the present-day Global and all of the stations began using the Global brand ( in addition to CIII ) in 1997 .
 city of headquarters: Winnipeg, Canwest
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:
 city of headquarters: Winnipeg, Canwest