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United Nations Security Council Resolution 1913 , adopted unanimously on March 12 , 2010 , after recalling resolutions 1769 ( 2007 ) , 1778 ( 2007 ) , 1834 ( 2008 ) and 1861 ( 2009 ) , the Council noted that the situation in the region of Darfur , Sudan and Chad and the Central African Republic constituted a threat to international peace and security , and therefore extended the mandate of the United Nations Mission in the Central African Republic and Chad ( MINURCAT ) for a further two months , until May 15 , 2010 .
 United Nations, Darfur, Sudan, Chad, Central African Republic, Nations, Chad
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 United Nations, Darfur, Sudan, Chad, Central African Republic, Nations, Chad