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Plenty , '' by Nicholas D. Kristof -LRB- column , Nov. 29 -RRB- : Having directly witnessed the tenuous situation in Darfur this past month , I am convinced that looming cuts in financing for humanitarian programs by the United States and Washington 's lack of pressure on Sudan have the potential to topple the fragile humanitarian support system in place in Darfur , which would be disastrous for the two million displaced there and would lead to significant loss of life .
 Darfur, Sudan; Sudan, Darfur; Sudan, Darfur; 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; Darfur, Sudan; Sudan, Darfur; Sudan, Darfur