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The business owner appealed , arguing that the regulation 's aim and purpose did not justify unequal treatment on the basis of such a distinction and that the classification had no relation to the traffic problem because a violation turned not on what kind of advertisements were carried on trucks , but on whose trucks they were carried .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None