#passenger_car__passengercar__coach__carriage  a railcar where passengers ride
  supertype:  #railroad_car__car__railcar__railway_car__railwaycar  a wheeled vehicle adapted to the rails of railroad; "three cars had jumped the rails"
  subtype:  #dining_car  #nonsmoking_car  #parlor_car  #Pullman_car  #sleeping_car  #smoking_car
  part:  #car_seat
  member of:  #passenger_train__passengertrain  a train that carries passengers

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