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During Jahan Shah 's reign the Kara Koyunlu 's territory reached its largest extent , including huge swaths of land in Anatolia , most of present day Iraq , central Iran , and even eventually Kerman .
 Jahan Shah, Iraq, Iran, Kerman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jahan Shah, Iraq, Iran, Kerman