40450
The United States military command in Iraq acknowledged on Thursday that its 12-week-old campaign to win back control of Baghdad from sectarian death squads and insurgents had failed to reduce violence across the city .
 Iraq, Baghdad; Iraq, Baghdad
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, Baghdad; Iraq, Baghdad