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The two explosions in the Sadr City neighborhood , a vast Shiite slum in eastern Baghdad , appeared to be retribution for a particularly brutal episode on Sunday in which Shiite militiamen rampaged through the predominantly Sunni neighborhood of Jihad , pulling people from their homes and cars and shooting them in the head .
 location contains: Baghdad, Sadr City
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Baghdad, Sadr City