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From 1980 to 1999 , he was a Senior Fellow of the C.D. Howe Institute .
 organization: C.D. Howe Institute
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: C.D. Howe Institute 
Answer:
 organization: C.D. Howe Institute