6833
He died with six other soldiers on a rescue mission in Sadr City on April 4 , 2004 , at the age of 24 , the week after four American security workers had been mutilated in Falluja and two weeks after he arrived in Iraq .
 Iraq, Sadr City
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, Sadr City