20635
 Another historian , William Burr , found a dozen documents he had copied years ago whose reclassification he considers '' silly , '' including a 1962 telegram from George F. Kennan , then ambassador to Yugoslavia , containing an English translation of a Belgrade newspaper article on China 's nuclear weapons program . 
 country capital: Yugoslavia, Belgrade
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Yugoslavia, Belgrade 
Answer:
 country capital: Yugoslavia, Belgrade