Poti River
Poti River is a river in Brazil , a tributary of the Parnaíba River . 
<triplet> Poti River <subj> river <obj> instance of <subj> Brazil <obj> country <subj> Parnaíba River <obj> mouth of the watercourse <triplet> Parnaíba River <subj> Poti River <obj> tributary <subj> river <obj> instance of