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Beethoven 's 2nd In Beethoven 's 2nd , Beethoven sires a litter of puppies , and the Newton family tries to save them from the dame 's owner , who alternatively wishes to kill or sell the puppies .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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