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When she became an official UNICEF ambassador in 1972 , she agreed to forego a world tour in favor of raising money for the organization .
 organization: UNICEF
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: UNICEF 
Answer:
 organization: UNICEF