(subclass Grain FoodFromPlant) | Economy.kif 4149-4149 | Grain は FoodFromPlant の subclass では %n |
(subclass CerealGrain Grain) | Economy.kif 4027-4027 | CerealGrain は Grain の subclass では %n |
(subclass Malt Grain) | Economy.kif 4161-4161 | Malt は Grain の subclass では %n |