#passenger_ship__passengership  a ship built to carry passengers
  supertype:  ship  a vessel that carries passengers or freight
  part:  hurricane_deck
  subtype:  ocean_liner__oceanliner__liner  a large commercial ship (especially one that carries passengers on a regular schedule)
     subtype:  cabin_liner__cabinliner  a liner with cabins for passengers
     subtype:  cargo_liner__cargoliner  a liner that carries cargo
     subtype:  cruise_ship__cruise_liner  a passenger ship used commercially for pleasure cruises
     subtype:  express_luxury_liner__luxury_liner  a liner equipped for sumptuous living

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