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Shortly thereafter , in February 2002 , the first invitation came from the WDR Studio in Cologne , Germany .
 organization: WDR; location: Cologne; location: Germany
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: WDR, Cologne, Germany 
Answer:
 organization: WDR; location: Cologne; location: Germany