Nubian Swell
The Nubian Swell is a geologic structural uplift in northern Africa that trends east-west and separates the lower Nile of Egypt from the Sudan basin . 
<triplet> Nile <subj> Egypt <obj> country <triplet> Egypt <subj> Nile <obj> located in or next to body of water <subj> Sudan <obj> shares border with <triplet> Sudan <subj> Egypt <obj> shares border with