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Audi AG management board chairman Herbert Demel said on Thursday that the German luxury carmaker , a unit of Volkswagen AG , did not expect any burden on its 1996 results from currency market volatility .
 Herbert Demel, German, Audi AG, Volkswagen AG
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, else, organization, person 
Text: {0} 
Answer:
 Herbert Demel, German, Audi AG, Volkswagen AG