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It can not be right that we have twice as many humanitarian workers in Darfur as international security personnel , '' he said , speaking of the conflicted region of Sudan where , he said , the largest aid project in the world has cut mortality rates by two-thirds in the past year . ''
 Sudan, Darfur; Sudan, Darfur; Darfur, Sudan
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; Darfur, Sudan