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The Internet Symphony No. 1 - " Eroica " , is a piece written by renowned Chinese composer Tan Dun for the YouTube Symphony Orchestra .
 person: Tan Dun; organization: YouTube
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: Tan Dun, YouTube 
Answer:
 person: Tan Dun; organization: YouTube