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Frequent guests included Dave Matthews , Arianna Huffington , Michael McKean , Ann Coulter , Carrot Top , and Christine O'Donnell .
 person: Dave Matthews; person: Arianna Huffington; person: Michael McKean; person: Ann Coulter; person: Carrot Top; person: Christine O'Donnell
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 person: Dave Matthews; person: Arianna Huffington; person: Michael McKean; person: Ann Coulter; person: Carrot Top; person: Christine O'Donnell