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Smith , later Hamilton-Spencer-Smith , later Spencer-Smith baronets , of Tring Park ( 1804 ) The heir presumptive of the baronetcy is Michael Philip Hamilton-Spencer-Smith ( born 1952 ) .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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