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Early years Born October 8 , 1833 in Washington , D.C. , Samuel C. Mills was the son of John and Mary Mills .
 location: D.C.; person: Samuel C. Mills; person: Mills
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: D.C., Samuel C. Mills, Mills 
Answer:
 location: D.C.; person: Samuel C. Mills; person: Mills