12957
The National Microbiology Laboratory ( NML ) is a division of the  Public Health Agency of Canada  the agency of the Government of  Canada  that is responsible for public health health emergency preparedness and response and infectious and chronic disease control and prevention .
 country of headquarters: Public Health Agency of Canada, 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: Public Health Agency of Canada, Canada