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The Programme for the International Assessment of Adult Competencies ( PIAAC ) is a worldwide study by the Organisation for Economic Co-operation and Development ( OECD ) in 33 countries of cognitive and workplace skills .
 organization: Organisation for Economic Co-operation and Development
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: Organisation for Economic Co-operation and Development 
Answer:
 organization: Organisation for Economic Co-operation and Development