ASK WHERE { <http://dbpedia.org/resource/Little_Colorado_River> <http://dbpedia.org/ontology/mouthMountain> <http://dbpedia.org/resource/Grand_Canyon> }
Does the little colorado river flow in the Grand Canyon?
ASK WHERE { resource:Little_Colorado_River property:mouth_mountain resource:Grand_Canyon }
Yes
[Yes], Grand Canyon is the mouth mountain of Little Colorado River.
[Yes], the Grand Canyon is the mouth of the Little Colorado River.
[Yes], Grand Canyon is  the mouth mountain of the river.
[Yes], the Grand Canyon is the mouth of the river.