5633
The Central African Republic -- so important as a potential bulwark against the chaos and misery of its neighbors in Chad and the Darfur region of Sudan -- is being dragged right into the dangerous and ever-expanding conflict that has begun to engulf central Africa .
 Africa, Central African Republic; Sudan, Darfur; Sudan, Darfur; Africa, Sudan; Darfur, Sudan; Africa, Chad
Please list all entity pairs containing a certain relationship in the given options.Output format is "word1, word2; 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} 
Answer:
 Africa, Central African Republic; Sudan, Darfur; Sudan, Darfur; Africa, Sudan; Darfur, Sudan; Africa, Chad