45127
Her father is the president of Hall Properties , a real estate investment firm in Boston , and the president and managing partner of Suffolk Downs , the horse-racing track in East Boston , Mass. .
 neighborhood of: East Boston, Boston; location contains: Boston, East Boston
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:  East Boston, Boston; Boston, East Boston 
Answer:
 neighborhood of: East Boston, Boston; location contains: Boston, East Boston