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Malcolm Lincoln , together with a group of backing vocalists called Manpower 4 , won the competition Eesti Laul 2010 with the song " Siren " and represented Estonia in the Eurovision Song Contest 2010 .
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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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