ASK WHERE { <http://dbpedia.org/resource/Angola> <http://dbpedia.org/ontology/anthem> <http://dbpedia.org/resource/Angola_Avante> }
Is Angola Avante the anthem of Angola?
ASK WHERE { resource:Angola property:anthem resource:Angola_Avante }
Yes
[Yes], Angola Avante is the national anthem of Angola.
[Yes] Angola is the national song of Angola.
[Yes], the country Avante is the anthem of the country.
[Yes] Avante Land is the national anthem.