4891
They bought $ 7.4 billion worth of real estate in Manhattan alone over three years ending in 1990 , including Rockefeller Center , which touched off a xenophobic reaction over the sale of American patrimony .
 neighborhood of: Rockefeller Center, Manhattan; location contains: Manhattan, Rockefeller Center
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:
 neighborhood of: Rockefeller Center, Manhattan; location contains: Manhattan, Rockefeller Center