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in 1946 ) , and the University of Michigan ( MA in music literature in 1954 ) , Brown studied under such teachers as Harry Dean , Lubka Kolessa , Boris Roubakine , Leo Smith , Arnold Walter , and Healey Willan .
 organization: University of Michigan; person: Brown; person: Harry Dean; person: Lubka Kolessa; person: Leo Smith; person: Arnold Walter; person: Healey Willan
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: University of Michigan, Brown, Harry Dean, Lubka Kolessa, Leo Smith, Arnold Walter, Healey Willan 
Answer:
 organization: University of Michigan; person: Brown; person: Harry Dean; person: Lubka Kolessa; person: Leo Smith; person: Arnold Walter; person: Healey Willan