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Perhaps the most unusual thing about the privately operated buses is the fact that they are all highly decorated and personalized , with decals and home-made interior designs that range from comic book scenes , to pornography , and even to " Hello Kitty " themes .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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