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Mahmud Ahmadi - Nejad , reported to be a hardliner among conservatives , was appointed mayor on Saturday and a change in Hamshahri ' s management -- as well as its editorial line -- has been considered inevitable given the election result .
 Mahmud Ahmadi - Nejad: person
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: start position 
  Option: person, entity, place 
Text: {0} 
Answer:
 Mahmud Ahmadi - Nejad: person