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He has also served as the General Manager for several opera companies and festivals : the Macerata Festival ( Italy ) from 1986 to 1988 Theater der Bundesstadt ( Bonn ) from 1992 to 1995 and the Opéra de Nice ( France ) from 1997 to 2001 .
 Italy, Bonn
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Italy, Bonn