3555
Don Canney , the longest-serving mayor in city history , served for twenty-two years under this system .
 person: Don Canney
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: Don Canney 
Answer:
 person: Don Canney