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Term 1: Term 2:

(subclass PalmSunday ChristianHoliday) Media.kif 459-459 PalmSundayChristianHolidaysubclass
(subclass PalmSunday Sunday) Media.kif 460-460 PalmSunday星期日subclass
(subclass PalmSunday MoveableHoliday) Media.kif 461-461 PalmSunday可动的假期subclass


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