ASK WHERE { <http://dbpedia.org/resource/South_Island> <http://dbpedia.org/ontology/largestCity> <http://dbpedia.org/resource/Christchurch> }
Is Christchurch the largest city of South Island?
ASK WHERE { resource:South_Island property:largest_city resource:Christchurch }
Yes
[Yes], Christchurch is the largest city of South Island.
[Yes],Christchurch is the largest city on the South Island.