Yacuma River
The Yacuma River is a river in Bolivia , which feeds into the Mamoré River and ultimately into the Amazon . 
<triplet> Yacuma River <subj> river <obj> instance of <subj> Bolivia <obj> country <subj> Mamoré River <obj> mouth of the watercourse <triplet> Mamoré River <subj> river <obj> instance of <subj> Bolivia <obj> country <triplet> Amazon <subj> river <obj> instance of <subj> Bolivia <obj> basin country