SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/mouthMountain> <http://dbpedia.org/resource/Arkansas> . ?x <http://dbpedia.org/ontology/city> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/River>}
Rivers which end in Arkansas go through which cities?
SELECT DISTINCT ?a WHERE { ?v rdf:type ontology:River . ?v property:city ?a . ?v property:mouth_mountain resource:Arkansas }
Missouri, Doniphan, Missouri, Van Buren, Missouri, Arkansas, Farmington, Missouri, Fisk, Missouri, Lake City, Arkansas, Marked Tree, Arkansas, Willow Springs, Missouri, Thomasville, Missouri
The city of the rivers whose mouth mountain is Arkansas are [Missouri, Doniphan, Missouri, Van Buren, Missouri, Arkansas, Farmington, Missouri, Fisk, Missouri, Lake City, Arkansas, Marked Tree, Arkansas, Willow Springs, Missouri, Thomasville, Missouri].
River City, whose estuary is Arkansas [Missouri, Doniphan, Missouri, Van Buren, Missouri, Arkansas, Farmington, Missouri, Fisk, Missouri, Lake City, Arkansas, Marked Three, Arkansas, Willow Springs, Missouri, Thomasville, Missouri].