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Charles Alonzo Burns ( January 3 , 1863 – December 31 , 1930 ) was a Massachusetts businessman and politician who served on the Board of Aldermen , and as the fifteenth Mayor of Somerville , Massachusetts .
 person: Burns; location: Massachusetts; location: Somerville , Massachusetts
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: Burns, Massachusetts, Somerville , Massachusetts 
Answer:
 person: Burns; location: Massachusetts; location: Somerville , Massachusetts