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Worldwide protection is managed by the United Nations Office for the Coordination of Humanitarian Affairs ( OCHA ) .
 United Nations Office for the Coordination of Humanitarian Affairs, OCHA
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 Office for the Coordination of Humanitarian Affairs, OCHA