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An article on Sunday about the coming mayoral election in Detroit reported that the campaigning shows the contrasting styles of Mayor Kwame Kilpatrick and his predecessor , Dennis Archer , whose former deputy and chief of staff , Freman Hendrix , is challenging Mr. Kilpatrick .
 place of birth: Dennis Archer, Detroit; place of birth: Kwame Kilpatrick, Detroit
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:  Dennis Archer, Detroit; Kwame Kilpatrick, Detroit 
Answer:
 place of birth: Dennis Archer, Detroit; place of birth: Kwame Kilpatrick, Detroit