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Ralph Barton Perry ( July 3 , 1876 in Poultney , Vermont – January 22 , 1957 in Boston , Massachusetts ) was an American philosopher .
 person: Ralph Barton Perry; location: Poultney , Vermont; location: Boston , 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: Ralph Barton Perry, Poultney , Vermont, Boston , Massachusetts 
Answer:
 person: Ralph Barton Perry; location: Poultney , Vermont; location: Boston , Massachusetts