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 Deputy Secretary of State Robert B. Zoellick will head for Sudan next week , and one of his missions will be to put pressure on its leaders to end the violence in Darfur , the region of western Sudan where Arab militias , aided by the government , have killed as many as 300,000 people in the last two years . 
 administrative division of country: Darfur, Sudan; country of administrative divisions: Sudan, Darfur
Given a phrase that describes the relationship between two words, extract the words and the lexical relationship between them. The output format should be "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} 
Answer:
 administrative division of country: Darfur, Sudan; country of administrative divisions: Sudan, Darfur