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His son Samuel later served as reeve for Clarke Township and warden for Durham and Northumberland counties , and went on to be Canadian Superintendent of Fish Culture .
 person: Samuel; location: Clarke Township
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: Samuel, Clarke Township 
Answer:
 person: Samuel; location: Clarke Township