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What was to follow was a horrific education in terror and torture : in the smoking basement of the bombed building , a warren of cells .
 the smoking basement of the bombed building, the bombed building, a warren of cells, cells
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:
 the smoking basement of the bombed building, the bombed building, a warren of cells, cells