17515
Several hours after Russia suspended travel , as well as postal service , between the countries , Georgia released the four officers into the custody of the Organization for Security and Cooperation in Europe , an international body to which both countries belong that had helped negotiate the release .
 Europe, Russia
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Europe, Russia