7884
WOODRUFF Well , the journalists ' death raise questions about the tactics of U . S . troops trying to take control of Baghdad .
 U . S, Baghdad, the journalists, U . S . troops trying to take control of Baghdad
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:
 U . S, Baghdad, the journalists, U . S . troops trying to take control of Baghdad