791
The biathlete Olga Pyleva of Russia was stripped of her silver medal when her test came up positive for a banned stimulant . ''
 nationality: Olga Pyleva, Russia
Given options, please tell me the relationships of all the listed entity pairs.Output format is "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} 
 Entity Pairs:  Olga Pyleva, Russia 
Answer:
 nationality: Olga Pyleva, Russia