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For one sign of whether the war in Iraq is playing to the Democrats advantage , look to Ohio , where Paul Hackett , an Iraq war veteran who lost a bid for Congress last year , is seeking the Democratic nomination to challenge Senator Mike DeWine , a Republican .
 Ohio, Congress; Paul Hackett, Ohio
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Ohio, Congress; Paul Hackett, Ohio