6363
For centuries , Iranian rulers had maintained contacts with Arabs outside their borders , dealt with Arab subjects and client states ( such as those of Iraq and Yemen ) , and settled Arab tribesmen in various parts of the Iranian plateau .
 location: Iraq; location: Yemen
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Iraq; location: Yemen