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He is a past Vice-President of the National Writers Union and a trustee for its At-Large chapter ; and past-president of the Science Fiction Poetry Association .
 organization: Science Fiction Poetry Association
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: Science Fiction Poetry Association 
Answer:
 organization: Science Fiction Poetry Association