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Professional BMX rider Mat Hoffman and professional skater Tony Hawk participated in stunts .
 person: Mat Hoffman; person: Tony Hawk
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: Mat Hoffman, Tony Hawk 
Answer:
 person: Mat Hoffman; person: Tony Hawk