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MEK representative Alireza Jafarzadeh stated that Iran is running two top-secret projects , one in the city of Natanz and another in a facility located in Arak , which was later confirmed by the International Atomic Energy Agency .
 Alireza Jafarzadeh, Iran, Natanz, Arak, International Atomic Energy Agency
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alireza Jafarzadeh, Iran, Natanz, Arak, International Atomic Energy Agency