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Many Internet meme s are snowclones : for example , the meme " obvious troll is obvious " actually originated as " fun toys are fun " and has been generalized to many other statements of the form " X Y is X " .
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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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