11674
The  Wilfrid Laurier University  Students Union ( WLUSU ) represents undergraduate students at both campuses of Wilfrid Laurier University in  Waterloo  Ontario and Brantford Ontario Canada .
 city of headquarters: Wilfrid Laurier University, Waterloo
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: Wilfrid Laurier University, Waterloo