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In July 2009 , he signed a PETA petition against the slaughtering methods of chickens in KFC slaughterhouses .
 organization: PETA; organization: KFC
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: PETA; organization: KFC