259742
Around May 1st , 2009 , the and a screen of German Navy warships assisted approximately 200 members of the German special police unit GSG-9 in approaching the hijacked ship .
 organization: German Navy; organization: GSG-9
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: German Navy, GSG-9 
Answer:
 organization: German Navy; organization: GSG-9