#prison_cell__cell__jail_cell  a room where a prisoner is kept
  supertype:  room  an area within a building enclosed by walls and floor and ceiling; "the rooms were very small but they had a nice view"
  subtype:  detention_cell  tank  dungeon  guardroom.prison_cell  keep  sweatbox.prison_cell
  part of:  cellblock__ward  a division of a prison (usually consisting of several cells)
     part of:  prison_house__prison  a correctional institution where persons are confined while on trial or for punishment

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