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Since Jenkins was unavailable at the time , Sinatra chose to work with his frequent collaborator , Riddle .
 person: Jenkins; person: Sinatra; person: Riddle
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: Jenkins, Sinatra, Riddle 
Answer:
 person: Jenkins; person: Sinatra; person: Riddle