7038
The plateau , on whose centre stands the town of Ajmer , may be considered as the highest point in the plains of North India ; from the circle of hills which hem it in , the country slopes away on every side - towards river valleys on the east , south , west and towards the Thar Desert region on the north .
 location: Ajmer; location: North India; location: Thar Desert
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: Ajmer, North India, Thar Desert 
Answer:
 location: Ajmer; location: North India; location: Thar Desert