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Yet the Sudanese soldiers here in Iriba , safely across the border in Chad , seemed eager to tell their stories and gripe about the tough life they faced on the front , their doubts about the legitimacy of their government 's fight against the rebels in Darfur and their low morale .
 Chad, Iriba
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:
 Chad, Iriba