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Unlike the other flat-top Gibson acoustics , the Hummingbird was Gibson 's first square-shoulder dreadnought , similar to the dreadnoughts produced by C.F. Martin & Company .
 organization: Gibson; organization: Gibson; organization: C.F. Martin & Company
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, Gibson, C.F. Martin & Company 
Answer:
 organization: Gibson; organization: Gibson; organization: C.F. Martin & Company