8697
 This year , at the elite M-Tel Masters tournament in Sofia , Bulgaria , Kamsky quickly took apart Peter Svidler of Russia , No. 3 in the world , when Svidler made a terrible error . 
 Sofia, Bulgaria; Bulgaria, Sofia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Sofia, Bulgaria; Bulgaria, Sofia