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He wrote " Faster " as a tribute to the Formula One racing drivers Jackie Stewart and Ronnie Peterson .
 person: Jackie Stewart; person: Ronnie Peterson
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: Jackie Stewart, Ronnie Peterson 
Answer:
 person: Jackie Stewart; person: Ronnie Peterson