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Also in 1953 , Gibson released the first short-scale violin-shaped electric bass , with an extendable end pin so a bassist could play it upright or horizontally .
 organization: Gibson
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: Gibson 
Answer:
 organization: Gibson