13842
Pieter ( Piet ) Bukman ( 7 February 1934 , Delft ) is a former Dutch politician .
 Piet, Bukman, Delft, 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:
 Piet, Bukman, Delft, Dutch