3112
It would be hard on the city to see a decline in the number of department stores , said Lizabeth Cohen , a history professor at Harvard University and author of '' A Consumers ' Republic . ''
 person of company: Lizabeth Cohen, Harvard 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:  Lizabeth Cohen, Harvard University 
Answer:
 person of company: Lizabeth Cohen, Harvard University