Sobat River
The Sobat River is a river of the Greater Upper Nile region in northeastern South Sudan , Africa . 
<triplet> Sobat River <subj> river <obj> instance of <subj> Greater Upper Nile <obj> basin country <subj> Africa <obj> continent <triplet> Greater Upper Nile <subj> South Sudan <obj> country <triplet> South Sudan <subj> Africa <obj> continent