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After serving as a senior official in the World Bank in Washington specializing in economic development with an emphasis on social justice Braverman returned to  Israel  to become president of the  Ben-Gurion University of the Negev  for the next sixteen years .
 country of headquarters: Israel, Ben-Gurion University of the Negev
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: Israel, Ben-Gurion University of the Negev