373142
They were attacked by the German U-Boat U-9 , which was under the command of Kapitänleutnant Otto Weddigen .
 person: Otto Weddigen
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: Otto Weddigen 
Answer:
 person: Otto Weddigen