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Hugo Erfurt ( born 13 February 1834 in Schwelm ; died 4 March 1922 in Dahlhausen at Beyenburg ) is a German pharmacist and inventor .
 location: Schwelm; location: German
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: Schwelm, German 
Answer:
 location: Schwelm; location: German