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He even provided the vocal effects for Snoopy and Woodstock in every single production , voice acting the characters in the studio by uttering gibberish , and the voices were mechanically sped up at different speeds to represent the two different characters .
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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:
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