6487
Two more persons have died of the virus bringing the total victims of the flu in  Canada  to 21 the  Public Health Agency of Canada  said .
 country of headquarters: Canada, Public Health Agency of Canada
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:
 country of headquarters: Canada, Public Health Agency of Canada