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Democratic primaries here used to be , in the words of Paul Green , a political scientist at Chicago 's Roosevelt University , '' a fight to see whose head goes into the guillotine , '' Democratic leaders now see a prime opportunity to pick up a seat and prove that they can win in rapidly changing suburbs .
 location contains: Chicago, Roosevelt 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:  Chicago, Roosevelt University 
Answer:
 location contains: Chicago, Roosevelt University