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Nine - oh - six a . m . CNN ' s Martin Savidge , embedded with the 1st Battalion , 7th Marines , reports the unit has reached the extreme southeast suburbs of Baghdad , adding to forces the U . S . says now encircle the city .
 Baghdad, the U . S, the city, CNN, 7th Marines, CNN ' s Martin Savidge , embedded with the 1st Battalion , 7th Marines, the 1st Battalion , 7th Marines, the unit, forces, the extreme southeast suburbs 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:
 Baghdad, the U . S, the city, CNN, 7th Marines, CNN ' s Martin Savidge , embedded with the 1st Battalion , 7th Marines, the 1st Battalion , 7th Marines, the unit, forces, the extreme southeast suburbs of Baghdad