1597
WOODRUFF How difficult will it be to sort out who will next hold power in Iraq after this transition period , however long it is , where the U . S . is in charge ?
 Iraq, the U . S, WOODRUFF, who
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:
 Iraq, the U . S, WOODRUFF, who