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Ambassador Williamson holds a bachelors degree from Louisiana Tech University in Ruston LA and a law degree from  Tulane University  Law School in  New Orleans  .
 city of headquarters: Tulane University, New Orleans
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Tulane University, New Orleans 
Answer:
 city of headquarters: Tulane University, New Orleans