4375
The countryside is rife with conflicts over the use of land now that agricultural land is less productive , '' said Alexander von Hoffman , a senior fellow at Harvard University 's Joint Center for Housing Studies in Cambridge , Mass. '' The other force is that with the affluence created over the last 20 years , Americans are willing and able to indulge their love of rural scenery . ''
 location contains: Cambridge, Harvard University
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: Cambridge, Harvard University