37764
Against the backdrop of reports of a new terrorist threat to New York City , the mayoral debate at the Apollo Theater in Harlem last night abounded in attacks on Mayor Michael R. Bloomberg and his decision not to participate , even as voters seemed sure to be focusing on his warnings about security .
 neighborhood of: Harlem, New York City; location contains: New York City, Harlem
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:  Harlem, New York City; New York City, Harlem 
Answer:
 neighborhood of: Harlem, New York City; location contains: New York City, Harlem