11776
In the colonial era the buffer states of Iran and Thailand , lying between the empires of Britain / Russia and Britain / France respectively , were divided between the spheres of influence of the imperial powers .
 location: Iran; organization: Thailand; location: Britain; location: Russia; location: Britain; location: France
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: Iran, Thailand, Britain, Russia, Britain, France 
Answer:
 location: Iran; organization: Thailand; location: Britain; location: Russia; location: Britain; location: France