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As part of the effort , R. Nicholas Burns , under secretary of state for political affairs , will travel in the coming week to Europe and to the Balkan region to meet with officials about Kosovo and various steps that the United States wants the leaders of Serbia and Bosnia to take .
 location contains: Europe, Serbia
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: Europe, Serbia