74530
The violin sound is the most commonly heard , being used by several bands as a type of Mellotron substitute .
 organization: Mellotron
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: Mellotron 
Answer:
 organization: Mellotron