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But Olli Rehn , enlargement commissioner for the European Union , has said talks on an association with Serbia will be cut off on April 5 if Belgrade has not handed over Mr. Mladic or Mr. Karadzic by then .
 location contains: Serbia, Belgrade; country of capital: 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:
 location contains: Serbia, Belgrade; country of capital: Serbia, Belgrade