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Jean Paul Van Bendegem ( born 28 March 1953 in Ghent ) is a mathematician a philosopher of science and a prominent professor at the  Vrije Universiteit Brussel  in  Brussels  .
 city of headquarters: Vrije Universiteit Brussel, Brussels
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:
 city of headquarters: Vrije Universiteit Brussel, Brussels