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In Belgium and the Netherlands , the government publishes white lists and black lists ( called ' positive ' and ' negative lists ' ) with animal species that are designated to be appropriate to be kept as pets ( positive ) or not ( negative ) .
 Belgium, Netherlands
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:
 Belgium, Netherlands