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In addition , while some very prominent composers ( e.g. Schubert , Dvořák , Spohr , Bruckner , Mahler , and Vaughan Williams ) are regularly adduced as examples , several of them are only credited with having " composed nine symphonies " as a result of error or oversimplification .
 person: Schubert; person: Dvořák; person: Spohr; person: Bruckner; person: Mahler; person: Vaughan Williams
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Schubert, Dvořák, Spohr, Bruckner, Mahler, Vaughan Williams 
Answer:
 person: Schubert; person: Dvořák; person: Spohr; person: Bruckner; person: Mahler; person: Vaughan Williams