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As of June 21 , 2009 , 18 world records have been ratified by the IAAF in the event .
 organization: IAAF
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: IAAF 
Answer:
 organization: IAAF