8950
It is a major trade center between Caucasia , Russia and Iran using the port of Bandar-e Anzali .
 location: Caucasia; location: Russia; location: Iran; location: Bandar-e Anzali
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: Caucasia, Russia, Iran, Bandar-e Anzali 
Answer:
 location: Caucasia; location: Russia; location: Iran; location: Bandar-e Anzali