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LifeLine Sudan was set up in 1998 , under an agreement between Khartoum and the United Nations , to allow humanitarian aid to be sent to areas ravaged by the civil war .
 geographical social political: Khartoum; organization: the United Nations; person: humanitarian; location: areas ravaged by the civil war
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 geographical social political: Khartoum; organization: the United Nations; person: humanitarian; location: areas ravaged by the civil war