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In 1818 he built his city residence in Mitau ( now Jelgava ) Villa Medem .
 location: Jelgava; person: Medem
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: Jelgava, Medem 
Answer:
 location: Jelgava; person: Medem