1761
Edmonton is the headquarters of the only major Canadian banks west of  Toronto  :  Canadian Western Bank  and ATB Financial as well as the only province-wide credit union Servus .
 city of headquarters: Toronto, Canadian Western Bank
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: Toronto, Canadian Western Bank