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Ex - Dream Theater keyboard ist Derek Sherinian in collaboration with KORG sound designer Jack Hotop created Sherinian 's signature guitaristic lead sound on the Trinity in 1996 .
 person: Derek Sherinian; person: Sherinian
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: Derek Sherinian, Sherinian 
Answer:
 person: Derek Sherinian; person: Sherinian