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Arnold Jacobs , a tubist and well-regarded brass teacher , believed that it was best for the student to focus on his or her use of the air and musical expression to allow the embouchure to develop naturally on its own .
 person: Arnold Jacobs
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: Arnold Jacobs 
Answer:
 person: Arnold Jacobs