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Leendert Antonie Donker ( 7 September 1899 , Almkerk – 4 February 1956 , Rotterdam ) was a Dutch politician .
 Leendert Antonie Donker, Almkerk, Rotterdam, 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:
 Leendert Antonie Donker, Almkerk, Rotterdam, Dutch