ASK WHERE { <http://dbpedia.org/resource/Ombla> <http://dbpedia.org/ontology/sourceMountain> <http://dbpedia.org/resource/Croatia> }
Is Ombla originate in Croatia?
ASK WHERE { resource:Ombla property:source_mountain resource:Croatia }
Yes
[Yes], the source mountain of Ombla is in Croatia.
[Yes], the origin Mount Ombla is in Croatia.