Uecker
The Uecker ( [ ] ) or Ucker is a river in the northeastern German states of Brandenburg , where it is known as the "Ucker" , and of Mecklenburg-Vorpommern . 
<triplet> Uecker <subj> river <obj> instance of <subj> German <obj> country <triplet> German <subj> Brandenburg <obj> contains administrative territorial entity <subj> Mecklenburg-Vorpommern <obj> contains administrative territorial entity <triplet> Brandenburg <subj> German <obj> country <subj> Mecklenburg-Vorpommern <obj> shares border with <triplet> Mecklenburg-Vorpommern <subj> German <obj> country <subj> Brandenburg <obj> shares border with