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In announcing the aid resumption , R. Nicholas Burns , the under secretary of state for political affairs , who is on a visit to Belgrade , said he believed that Serbia was seriously working to track down one of the tribunal 's most wanted fugitives , Ratko Mladic .
 country of capital: Serbia, Belgrade; location contains: Serbia, Belgrade
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:
 country of capital: Serbia, Belgrade; location contains: Serbia, Belgrade