8803
From the end of 1888 , the Amir spent eighteen months in his northern provinces bordering upon the Oxus , where he was engaged in pacifying the country that had been disturbed by revolts , and in punishing with a heavy hand all who were known or suspected to have taken any part in rebellion .
 location: Oxus
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 
Answer:
 location: Oxus