162062
Seyed Mahmoud-Reza Sajjadi ( ) is an Iran ian diplomat and the current Ambassador of Iran to Russia , presenting his credentials to Russian President Dmitry Medvedev on 16 January 2009 .
 person: Seyed Mahmoud-Reza Sajjadi; location: Iran; location: Iran; person: Dmitry Medvedev
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: Seyed Mahmoud-Reza Sajjadi, Iran, Iran, Dmitry Medvedev 
Answer:
 person: Seyed Mahmoud-Reza Sajjadi; location: Iran; location: Iran; person: Dmitry Medvedev