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Term 1: Term 2:

(subclass DustStorm Storm) Weather.kif 1969-1969 Dust storm is a subclass of storm
(subclass SandStorm DustStorm) Weather.kif 2014-2014 Sand storm is a subclass of dust storm
(subclass Haboob DustStorm) Weather.kif 2026-2026 Haboob is a subclass of dust storm


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