28060
The latest Baghdad killings , including at least four bombings , served as a stark counterpoint to Mr. Maliki 's pledge after his first cabinet meeting to improve security by creating a unified security force in Baghdad , home to at least 6 million of Iraq 's 25 million people .
 Iraq, Baghdad; Iraq, Baghdad; 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; Iraq, Baghdad; Iraq, Baghdad