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From 1897 to 1900 , he studied at the Cologne Conservatory and was a student of Fritz Brun , Franz Wüllner , Isidor Seiss and Friedrich Wilhelm Franke .
 location: Cologne; person: Fritz Brun; person: Franz Wüllner; person: Isidor Seiss
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:
 location: Cologne; person: Fritz Brun; person: Franz Wüllner; person: Isidor Seiss