SELECT DISTINCT ?uri WHERE { ?x <http://dbpedia.org/ontology/automobilePlatform> <http://dbpedia.org/resource/GM_B_platform> . ?x <http://dbpedia.org/ontology/predecessor> ?uri . ?x <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://dbpedia.org/ontology/Automobile>}
What are some cars which came before the ones on a GM B base?
SELECT DISTINCT ?d WHERE { ?x rdf:type ontology:Automobile . ?x property:automobile_platform resource:G_M_B_platform . ?x property:predecessor ?d }
answer
The predecessors of the automobiles whose platform is GM B are [answer].
The precursors of automobiles of which GM B is the platform, are [the answer].