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Illustrative of the heated political debate , protesters hit Keith with chili pepper laced pies during a presentation of her book The Vegetarian Myth at the 2010 Bay Area Anarchist Bookfair .
 person: Keith
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:
 person: Keith