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Eligible topics could include the role of Serbia 's special forces , their links to the paramilitary , Mr. Milosevic 's use of secret parallel commands , and Belgrade 's payment of equipment , salaries and pensions to its proxy army in Bosnia .
 location contains: Serbia, Belgrade; country of capital: Serbia, Belgrade
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:  Serbia, Belgrade; Serbia, Belgrade 
Answer:
 location contains: Serbia, Belgrade; country of capital: Serbia, Belgrade