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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: location, person, organization 
Text: {0} 
 Entities: Herat, Kandahar, Balkh, Zaranj 
Answer:
 location: Herat; location: Kandahar; location: Balkh; location: Zaranj