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‘ Clean Up This Mess’ : The Chinese Thinkers Behind Xi ’s Hard Line {{URL}} {{USERNAME}} {{USERNAME}}
 Clean Up This Mess’ : The Chinese Thinkers Behind Xi ’s Hard Line
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Clean Up This Mess’ : The Chinese Thinkers Behind Xi ’s Hard Line