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The NATO discussions encompassed other issues , including a decision by the alliance to be ready , if asked by the African Union , to transport additional forces to the Darfur region of Sudan , where tens of thousands have died in a civil war and many more have been driven from their homes .
 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