ASK WHERE { <http://dbpedia.org/resource/Hopje> <http://dbpedia.org/property/mainIngredient> <http://dbpedia.org/resource/Coffee> }
Is coffee a main ingredient of Hopje?
ASK WHERE { resource:Hopje property:main_ingredient resource:Coffee }
Yes
[Yes], coffee is the main ingredient of Hopje.
[Yes] Coffee is Hopje's main ingredient.
[Yes], Coffee is  the major ingredient of Hopje.
[Yes], coffee is the main ingredient present in Hopje.