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Term 1: Term 2:

s__instance(s__DustStorm,s__SetOrClass)

s__subclass(s__DustStorm,s__Storm)

s__instance(s__Storm,s__SetOrClass)

 Weather.kif 1253-1253 Dust storm is a subclass of storm
s__instance(s__DustStorm,s__SetOrClass)

s__instance(s__SandStorm,s__SetOrClass)

s__subclass(s__SandStorm,s__DustStorm)

 Weather.kif 1296-1296 Sand storm is a subclass of dust storm
s__instance(s__DustStorm,s__SetOrClass)

s__instance(s__Haboob,s__SetOrClass)

s__subclass(s__Haboob,s__DustStorm)

 Weather.kif 1308-1308 Haboob is a subclass of dust storm


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