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In creating the " bad guy " for the Sonic series , the development team wanted a character who was " the opposite of Sonic ; " a character who represented " machinery " and " development " to play on the then-growing debate between developers and environmentalists .
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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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