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The  Canadian Federation of Students  ( CFS ) is the largest student organization in  Canada  .
 country of headquarters: Canadian Federation of Students, Canada
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Canadian Federation of Students, Canada 
Answer:
 country of headquarters: Canadian Federation of Students, Canada