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The " International Day of United Nations Peacekeepers " , May 29 , is " a day to pay tribute to all the men and women who have served and continue to serve in United Nations peacekeeping operations for their high level of professionalism , dedication , and courage and to honor the memory of those who have lost their lives in the cause of peace . "
 organization: Nations; organization: Nations
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Nations, Nations 
Answer:
 organization: Nations; organization: Nations