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Two American soldiers were missing and another was killed Friday after they came under attack at a traffic point southwest of Baghdad , an area with one of the most extensive strongholds of Al Qaeda in Iraq , the military said .
 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