44610
It has been Central Asia 's unhappy fate over the years to get swept up in rivalries among major powers -- initially Russia and Britain ; now Russia , China and the United States .
 location contains: Asia, China; location contains: Asia, Russia; location contains: Asia, Russia
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:  Asia, China; Asia, Russia; Asia, Russia 
Answer:
 location contains: Asia, China; location contains: Asia, Russia; location contains: Asia, Russia