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Alliance Atlantis  based in  Toronto  is in a dispute with Canada's broadcast regulator over the true nature of CSI : NY which is being broadcast two or three times a day on History Television a cable channel also owned by Alliance Atlantis .
 city of headquarters: Alliance Atlantis, Toronto
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: Alliance Atlantis, Toronto