6970
The 2012 2013 Times Higher Education rankings list the university 19th in the world and first in  Canada  in the field of social sciences.http : / / www.timeshighereducation.co.uk/world-university-rankings/2012-13/subject-ranking/subject/social-sciences In particular the  UBC  Vancouver School of Economics is ranked the best in Canada and among the top 30 Economics departments in the world .
 country of headquarters: Canada, UBC
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, UBC