168921
Mandaeans appear to have settled in northern Mesopotamia , but the religion has been practised primarily around the lower Karun , Euphrates and Tigris and the rivers that surround the Shatt-al-Arab waterway , part of southern Iraq and Khuzestan Province in Iran .
 location: Iraq; location: Khuzestan Province; location: Iran
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: Iraq, Khuzestan Province, Iran 
Answer:
 location: Iraq; location: Khuzestan Province; location: Iran