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But the crosscurrents of Iraqi politics were illustrated by the Shiite alliance 's still greater success in Baghdad , the most cosmopolitan city , where it took 60 percent of the 1.9 million votes , many of them in the sprawling Shiite slum of Sadr City .
 location contains: Baghdad, Sadr City
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Baghdad, Sadr City 
Answer:
 location contains: Baghdad, Sadr City