4919
 In the deadliest sectarian attack in Baghdad since the American-led invasion , explosions from five powerful car bombs and a mortar shell tore through crowded intersections and marketplaces in the teeming Shiite district of Sadr City on Thursday afternoon , killing at least 144 people and wounding 206 , the police said . 
 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: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
Answer:
 location contains: Baghdad, Sadr City