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Tuttle studied music at Denison University and Harvard University , where he was the roommate of composer Elliott Carter ; their acquaintance resulted in Carter 's composition " To Music . "
 person: Tuttle; organization: Denison University; organization: Harvard; person: Elliott Carter; person: Carter
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: Tuttle, Denison University, Harvard, Elliott Carter, Carter 
Answer:
 person: Tuttle; organization: Denison University; organization: Harvard; person: Elliott Carter; person: Carter