31034
Modelling the NWDR studio in Cologne , NHK established an electronic music studio in Tokyo in 1955 , which became one of the world 's leading electronic music facilities .
 organization: NWDR; location: Cologne; organization: NHK; location: Tokyo
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: NWDR, Cologne, NHK, Tokyo 
Answer:
 organization: NWDR; location: Cologne; organization: NHK; location: Tokyo