ASK WHERE { <http://dbpedia.org/resource/Darcs> <http://dbpedia.org/ontology/license> <http://dbpedia.org/resource/GNU> }
Is Darcs released with a GNU license?
ASK WHERE { resource:Darcs property:license resource:G_N_U }
Yes
[Yes], GNU is the license of Darcs.
[Yes] the GNU is Darmstadt's license.