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Jacob ( Jaap ) Boersma ( 2 December 1929 – 6 March 2012 ) was a Dutch politician .
 Jaap, Boersma, Dutch
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jaap, Boersma, Dutch