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In a conflict that pits the Sudan government against rebel groups from Darfur , the United Nations estimates that as many as 200,000 have starved to death or been killed and 2.4 million have been displaced since the conflict began in February 2003 .
 Darfur, Sudan; Sudan, Darfur; Sudan, Darfur
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:
 Darfur, Sudan; Sudan, Darfur; Sudan, Darfur