2560
After all , real estate in Knightsbridge '' has consistently outperformed the rest of the United Kingdom and other London areas in terms of capital growth and investment yield , '' said Mr. Millet , a negotiator at the W.A. Ellis agency , which has operated in Knightsbridge since 1868 .
 location contains: United Kingdom, London; location contains: London, Knightsbridge; country of capital: United Kingdom, London; location contains: London, Knightsbridge
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:  United Kingdom, London; London, Knightsbridge; United Kingdom, London; London, Knightsbridge 
Answer:
 location contains: United Kingdom, London; location contains: London, Knightsbridge; country of capital: United Kingdom, London; location contains: London, Knightsbridge