#prison_house__prison  a correctional institution where persons are confined while on trial or for punishment
  supertype:  #correctional_institution  a penal institution maintained by the government
  subtype:  #camp.prison_house  #chokey  #college.prison_house  #state_prison
  part:  #cellblock__ward  a division of a prison (usually consisting of several cells)
     part:  #prison_cell__cell__jail_cell  a room where a prisoner is kept

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