12030
Consider , for example , the robbery that took place in 1990 at the Isabella Stewart Gardner Museum in Boston , the largest art theft in American history , the solution to which is currently the holy grail of the art-crime world .
 location contains: Boston, Isabella Stewart Gardner Museum
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 location contains: Boston, Isabella Stewart Gardner Museum