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Although more conversational in tone than his previous entry , it did feature the same wacky stunts that would influence David Letterman in later years , including becoming a human hood ornament ; jumping into vats of oatmeal and cottage cheese ; and being slathered with dog food , allowing dogs backstage to feast on the free food .
 person: David Letterman; food: oatmeal; food: cottage cheese; food: dog food
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: David Letterman; food: oatmeal; food: cottage cheese; food: dog food