10784
6 : 33 a . m . , cnn ' s jane arraf report from kirkuk that local authorities and u . s . investigators are still mystified by a graveyard on a military base abandoned by the old iraqi regime .
 kirkuk, u . s, iraqi, cnn, military, the old iraqi regime, cnn ' s jane arraf, local authorities, u . s . investigators, a graveyard on a military base abandoned by the old iraqi regime, a military base
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: organization, person, geographical social political, vehicle, location, weapon, facility 
Text: {0} 
Answer:
 kirkuk, u . s, iraqi, cnn, military, the old iraqi regime, cnn ' s jane arraf, local authorities, u . s . investigators, a graveyard on a military base abandoned by the old iraqi regime, a military base