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Michael Waltrip became the team 's driver for the remainder of the season and the team switched to Chevrolets ( which Mattei was running ) , retaining NationsRent as the team sponsor .
 person: Michael Waltrip
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: Michael Waltrip 
Answer:
 person: Michael Waltrip