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Constructed by Kaiserliche Werft Danzig , " U-15 " was ordered on 23 February 1909 and was commissioned three years later on 7 July 1912 .
 organization: Kaiserliche Werft Danzig
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: Kaiserliche Werft Danzig 
Answer:
 organization: Kaiserliche Werft Danzig