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In a breezy office on the western edge of Sadr City , Naeem al-Kaabi , a deputy mayor for Baghdad in charge of public services like water , sewerage and trash collection , spoke proudly of a plan for a new sewer project that would upgrade plumbing , now practically nonexistent , in Sadr City and other neighborhoods in eastern Baghdad .
 location contains: Baghdad, Sadr City; location contains: Baghdad, Sadr City; location contains: Baghdad, 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; Baghdad, Sadr City; Baghdad, Sadr City; Baghdad, Sadr City 
Answer:
 location contains: Baghdad, Sadr City; location contains: Baghdad, Sadr City; location contains: Baghdad, Sadr City; location contains: Baghdad, Sadr City