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All the steam locomotives currently in use on the railway are B-Class , built by Sharp , Stewart and Company and later the North British Locomotive Company between 1889 and 1925 .
 vehicle: B-Class; organization: Sharp , Stewart and Company; organization: North British Locomotive Company
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: B-Class, Sharp , Stewart and Company, North British Locomotive Company 
Answer:
 vehicle: B-Class; organization: Sharp , Stewart and Company; organization: North British Locomotive Company