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Friedrich Rosen or Fritz Rosen ( Leipzig , August 30 , 1856 – November 27 , 1935 , Beijing ) was a German Orientalist , diplomat and politician .
 Friedrich Rosen, Rosen, Leipzig, Beijing
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Friedrich Rosen, Rosen, Leipzig, Beijing