(subclass Helmet SafetyDevice) | Cars.kif 4367-4367 | Helmet は SafetyDevice の subclass では %n |
(subclass Helmet (CoveringFn Head)) |
Cars.kif 4368-4368 | Helmet は CoveringFn Head の subclass では %n |
(subclass MotorcycleHelmet Helmet) | Cars.kif 4372-4372 | MotorcycleHelmet は Helmet の subclass では %n |