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Family life William Richards was born in Plainfield , Massachusetts on August 22 , 1793 .
 person: Richards; location: Plainfield , 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: Richards, Plainfield , Massachusetts 
Answer:
 person: Richards; location: Plainfield , Massachusetts