#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

No statement uses or specializes prison_house; click here to add one.