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The Emden Company was a Prussian trading company which was established in 1752 to trade primarily with the city of Canton in China .
 location: Emden; location: Prussian; location: Canton; location: China
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: Emden, Prussian, Canton, China 
Answer:
 location: Emden; location: Prussian; location: Canton; location: China