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Hitler had outpaced his conservative associates and though he reluctantly assented to appear at Bad Harzburg , he had no intention to serve as Hugenberg 's assistant .
 Hitler, Bad Harzburg, Hugenberg
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Hitler, Bad Harzburg, Hugenberg