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Things like Guantanamo make people question whether we believe our own values , and whether what the president says about protecting civil liberties is actually true , '' said Edward Luck , head of the Center on International Organization at Columbia University . ''
 person of company: Edward Luck, Columbia University
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: ethnicity, place lived, geographic distribution, company industry, country of administrative divisions, administrative division of country, location contains, person of company, profession, ethnicity of people, company shareholder among major shareholders, sports team of location, religion, neighborhood of, company major shareholders, place of death, nationality, children, company founders, company founded place, country of capital, company advisors, sports team location of teams, place of birth 
Text: {0} 
Answer:
 person of company: Edward Luck, Columbia University