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The cities of Herat , Kandahar , Balkh , and Zaranj are also very historic .
 location: Herat; location: Kandahar; location: Balkh; location: Zaranj
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Herat, Kandahar, Balkh, Zaranj 
Answer:
 location: Herat; location: Kandahar; location: Balkh; location: Zaranj