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The square was also viewed as a place where the city of Mashhad could re-establish its position in modern Iran .
 location: Mashhad; 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: Mashhad, Iran 
Answer:
 location: Mashhad; location: Iran