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However , per Friedman , " Sarah Palin said that was insensitive and cruel " and Friedman felt " it was only a joke . "
 Friedman, Sarah Palin, Friedman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Friedman, Sarah Palin, Friedman