320494
In 1920 , he served as Soviet Russia ’s plenipotentiary in Turkey and Iran .
 location: Soviet Russia; location: Turkey; 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: Soviet Russia, Turkey, Iran 
Answer:
 location: Soviet Russia; location: Turkey; location: Iran