15229
 The United States has been in the forefront of calling for international action in the Darfur region of western Sudan , where an ethnic-cleansing campaign has left up to 300,000 people dead and two million villagers displaced , but disagreements over where to try accused war criminals and whether to press for sanctions have caused weeks of delay in Security Council action . 
 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