19921
 He 's just talking , '' snapped Fadhil Sabri , a 37-year-old generator repairman in a grease-stained shop in Sadr City , a Baghdad stronghold of the Mahdi Army , a Shiite militia . '' 
 Baghdad, Sadr City
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Baghdad, Sadr City