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Ryan was the chief of staff to the governor of Cologne in 1919 , and was shifted to the Inter-Allied Rhineland High Commission headquarters in 1920 .
 person: Ryan; location: Cologne
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: Ryan, Cologne 
Answer:
 person: Ryan; location: Cologne