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-------------------- Troops Battle Rebels in Mosul BAGHDAD , Iraq , May 17 -LRB- AP -RRB- -- American troops backed by helicopters battled scores of insurgents holed up in two houses in the northern city of Mosul , the military said Tuesday .
 Iraq, Mosul
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:
 Iraq, Mosul