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The band 's drummer Will Champion said in a interview for MTV : " One of the main things we tried to focus on with this record is changing vocal identities , because Chris has a very recognizable voice . "
 person: Will Champion; organization: MTV
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: Will Champion, MTV 
Answer:
 person: Will Champion; organization: MTV