15148
In another development indicating a snag in the international effort to curb the violence in Darfur , John R. Bolton , the United States ambassador , conceded the failure of the American effort to produce a resolution on a United Nations mission to Sudan by the end of February , a month during which the United States has served as president of the Security Council . ''
 country of administrative divisions: Sudan, Darfur; location contains: Sudan, Darfur; administrative division of country: Darfur, Sudan
Given options, please tell me the relationships of all the listed entity pairs.Output format is "relation1: word1, word2; relation2: 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} 
 Entity Pairs:  Sudan, Darfur; Sudan, Darfur; Darfur, Sudan 
Answer:
 country of administrative divisions: Sudan, Darfur; location contains: Sudan, Darfur; administrative division of country: Darfur, Sudan