Random triples
| Subject | Object |
|---|---|
| gptkb:1900_series_trainset | automatic train protection |
| gptkb:8200_series_trainset | driverless operation |
| gptkb:Shonan_Monorail_2000_series | driver-operated |
| gptkb:4600_series_trainset | automatic train protection |
| gptkb:6000_series_trainset | driver-operated |