2112
Spurred in part by Cambridge 's restrictive zoning , in the 1990 's Harvard bought some 200 acres in Allston , an area of Boston across the Charles River from Cambridge .
 neighborhood of: Allston, Boston; location contains: Boston, Allston
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:  Allston, Boston; Boston, Allston 
Answer:
 neighborhood of: Allston, Boston; location contains: Boston, Allston