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 Leaders from at least 50 nations at a donors ' conference in Oslo pledged more than $ 4.5 billion to rebuild southern Sudan after more than 20 years of civil war , but one official after another warned that continuing violence in the western Darfur region would undermine the peace agreement they were there to support . 
 administrative division of country: Darfur, Sudan; country of administrative divisions: Sudan, Darfur
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: word3, word4". 
Option: nationality, country capital, place of death, children, location contains, place of birth, place lived, administrative division of country, country of administrative divisions, company, neighborhood of, company founders 
Text: {0} 
 Entity Pairs:  Darfur, Sudan; Sudan, Darfur 
Answer:
 administrative division of country: Darfur, Sudan; country of administrative divisions: Sudan, Darfur