17350
State Senate District 18 -LRB- northwest Brooklyn : Sunset Park , Red Hook , Downtown , Bedford Stuyvesant , Ocean Hill -RRB- State Senator Velmanette Montgomery is facing a challenge from former City Councilwoman Tracy L. Boyland , a member of the Boyland political family .
 location contains: Brooklyn, Ocean Hill; neighborhood of: Ocean Hill, Brooklyn
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:  Brooklyn, Ocean Hill; Ocean Hill, Brooklyn 
Answer:
 location contains: Brooklyn, Ocean Hill; neighborhood of: Ocean Hill, Brooklyn