8504
 He trained generations of surgeons at the Baylor College of Medicine ; operated on more than 60,000 patients ; and in 1996 was summoned to Moscow by Boris Yeltsin , then the president of Russia , to aid in his quintuple heart bypass operation . 
 administrative division of country: Moscow, Russia; nationality: Boris Yeltsin, Russia; place of death: Boris Yeltsin, Moscow; country of administrative divisions: Russia, Moscow
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: 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:
 administrative division of country: Moscow, Russia; nationality: Boris Yeltsin, Russia; place of death: Boris Yeltsin, Moscow; country of administrative divisions: Russia, Moscow