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The land immediately north of the Oxus was called Transoxiana and also Sogdia , especially when referring to the Sogdian merchants who dominated the silk road trade .
 location: Oxus; location: Transoxiana; location: Sogdia; location: Sogdian
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: Oxus, Transoxiana, Sogdia, Sogdian 
Answer:
 location: Oxus; location: Transoxiana; location: Sogdia; location: Sogdian