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Twelve - twenty - one p . m . CNN ' s Wolf Blitzer reports according to an eyewitness , a bomb has hit central Baghdad only a few hundred meters from the Palestine Hotel .
 CNN, CNN ' s Wolf Blitzer, an eyewitness, the Palestine Hotel, central Baghdad, a bomb
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:
 CNN, CNN ' s Wolf Blitzer, an eyewitness, the Palestine Hotel, central Baghdad, a bomb