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On Tuesday , in the latest public flare-up of tension , Prime Minister Nuri Kamal al-Maliki , under pressure from Shiite political leaders and outraged Baghdad residents , demanded that American troops remove a week-old cordon that had been set up around the Shiite district of Sadr City as part of the search for a missing American soldier .
 Baghdad, 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:
 Baghdad, Sadr City