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However , due to the row over the participation of Michael Verhoeven 's anti-war film " o.k. " , the festival was closed down three days later and no prizes were awarded .
 Michael Verhoeven
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Michael Verhoeven