13678
 Looking ahead , he said he faced the challenge of gaining approval in the General Assembly for fundamental changes in the United Nations , and he cited as priorities solving conflicts in places like Congo and the Darfur region of Sudan , combating terror and unconventional weapons and stabilizing the Middle East . 
 Darfur, Sudan; Sudan, Darfur
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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:
 Darfur, Sudan; Sudan, Darfur