2741
Teng Biao 34 a lecturer at the  China University of Political Science and Law  assisted a blind activist who was jailed after exposing abuses in enforcement of  China  's one-child-only policy .
 country of headquarters: China University of Political Science and Law, China
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: China University of Political Science and Law, China