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Political career Prior to serving in the Assembly , Yamada represented the city of Davis on the Yolo County Board of Supervisors .
 person: Yamada; location: Davis; location: Yolo County
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: Yamada, Davis, Yolo County 
Answer:
 person: Yamada; location: Davis; location: Yolo County