| (subclass SeasonOfYear TimeInterval) | Mid-level-ontology.kif 19131-19131 | 子類 一年的季節 and TimeInterval |
| (subclass WinterSeason SeasonOfYear) | Mid-level-ontology.kif 19142-19142 | 子類 冬季 and 一年的季節 |
| (subclass SpringSeason SeasonOfYear) | Mid-level-ontology.kif 19160-19160 | 子類 春暖花開的季節 and 一年的季節 |
| (subclass SummerSeason SeasonOfYear) | Mid-level-ontology.kif 19180-19180 | 子類 夏季 and 一年的季節 |
| (subclass FallSeason SeasonOfYear) | Mid-level-ontology.kif 19198-19198 | 子類 秋季 and 一年的季節 |
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