16188
 President Bush challenged world leaders on Tuesday to overcome Sudan 's unwillingness to let United Nations peacekeepers into Darfur , but Sudan 's president reiterated his objection to any forces other than those from the African Union . '' 
 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