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Chinese oil purchases have financed Sudan 's pillage of Darfur , Chinese-made AK-47 's have been the main weapons used to slaughter several hundred thousand people in Darfur so far , and China has protected Sudan in the U.N. Security Council .
 Sudan, Darfur; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Darfur, Sudan; 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:
 Sudan, Darfur; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Sudan, Darfur; Sudan, Darfur; Darfur, Sudan; Darfur, Sudan; Sudan, Darfur