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Jacobus Gerardus ( Ko ) Suurhoff ( 23 July 1905 , Amsterdam – 14 March 1967 , Amsterdam ) was a Dutch politician .
 Ko, Suurhoff, Amsterdam, Amsterdam, 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:
 Ko, Suurhoff, Amsterdam, Amsterdam, Dutch