18174
But American commanders now maintain that in some places , like Haifa Street , a former insurgent stronghold in the heart of Baghdad , Iraqi soldiers are improving .
 neighborhood of: Haifa Street, Baghdad
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:  Haifa Street, Baghdad 
Answer:
 neighborhood of: Haifa Street, Baghdad