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Since the Spadina extension had been first drawn up the  TTC  proposed  Vaughan  Corporate Centre as the station name and this is the name that the TTC still today uses in all their construction references .
 alternate names: TTC, Vaughan
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:
 alternate names: TTC, Vaughan