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The decision was announced by ITTF in May 2011 , after several sporting events including the 2011 World Figure Skating Championships were shifted from Japan due to the Tōhoku earthquake and the following Fukushima Daiichi nuclear disaster .
 organization: ITTF
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: ITTF 
Answer:
 organization: ITTF