ASK WHERE { <http://dbpedia.org/resource/Ethiopia> <http://dbpedia.org/ontology/officialLanguage> <http://dbpedia.org/resource/Amharic> }
Is Amharic the official language of Ethiopia?
ASK WHERE { resource:Ethiopia property:official_language resource:Amharic }
Yes
[Yes], Amharic is the official language of Ethiopia.
[Yes] Amharic is the Ethiopia's official language.
[Yes], Amharic is  the official language of the country.
[Yes] Amharic is the country's official language.