Question: Whihc alma mater of angela Trusty is also the training center of David Scherman ?
SPARQL:
 SELECT DISTINCT ?uri WHERE { <http://dbpedia.org/resource/David_Scherman> <http://dbpedia.org/ontology/training> ?uri. <http://dbpedia.org/resource/Angela_Trusty> <http://dbpedia.org/ontology/almaMater> ?uri}