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Eric Foner , a professor of history at Columbia University who describes himself as a liberal , said the years since 9\/11 have focused attention on what he called the '' up and down in the history of liberty in our country .
 person of company: Eric Foner, Columbia University
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Eric Foner, Columbia University 
Answer:
 person of company: Eric Foner, Columbia University