6941
Lachowski graduated with distinction from the Foreign Trade faculty of the Central School of Planning and Statistics in  Warsaw  ( now the  Warsaw School of Economics  ) .
 city of headquarters: Warsaw, Warsaw School of Economics
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: Warsaw, Warsaw School of Economics