SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/Upper_Neretva> <http://dbpedia.org/ontology/riverMouth> ?uri }
From where does the river Upper Neretva start flowing?
SELECT DISTINCT ?f WHERE { resource:Upper_Neretva property:river_mouth ?f }
Adriatic Sea
[Adriatic Sea] is the mouth of the Upper Neretva river.
[The Adriatic] is the mouth of the Upper River.
[Adriatic Sea] is the mouth of the Upper Neretva river.
[The Adriatic] is the mouth of the Upper River.