| (subclass MealPlan Proposition) | Hotel.kif 1541-1541 | MealPlan 是 命题 的 subclass |
| (subclass FullBoard MealPlan) | Hotel.kif 1580-1580 | FullBoard 是 MealPlan 的 subclass |
| (subclass HalfBoard MealPlan) | Hotel.kif 1592-1592 | HalfBoard 是 MealPlan 的 subclass |
| (subclass MealPlanEuropean MealPlan) | Hotel.kif 1603-1603 | MealPlanEuropean 是 MealPlan 的 subclass |
| (subclass MealPlanBreakfast MealPlan) | Hotel.kif 1623-1623 | MealPlanBreakfast 是 MealPlan 的 subclass |
| (subclass MealPlanModifiedAmerican MealPlan) | Hotel.kif 1632-1632 | MealPlanModifiedAmerican 是 MealPlan 的 subclass |
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