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The two brothers were rivals and their rivalry allowed for the return of Sultan Ahmed Jalayir who took Baghdad after instigating an uprising from his headquarters at Hillah in late 1405 .
 Sultan Ahmed Jalayir, Baghdad, Hillah
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sultan Ahmed Jalayir, Baghdad, Hillah