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Amara Bangoura is a Guinea n diplomat and the current Ambassador of Guinea to Russia , presenting his credentials to Russian President Vladimir Putin on 12 March 2001 .
 Amara Bangoura, Guinea, Guinea, Vladimir Putin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Amara Bangoura, Guinea, Guinea, Vladimir Putin