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Stone was the grandson of Michael J. Stone , the younger brother of Thomas Stone , a signer of the Declaration of Independence .
 person: Stone; person: Stone; person: Stone
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Stone; person: Stone; person: Stone