25945
Yet in an interview this week , Aleksandr I. Medvedev , director of Gazprom 's export arm , flatly denied that the company 's long-term prospects in Europe had been harmed by worries over reliability of supply , after Gazprom reduced the flow to Ukraine on New Year 's Day .
 Europe, Ukraine
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, Ukraine