Question: Is Brazilian jiu-jitsu the trainer of Nick Diaz?
SPARQL query: ASK WHERE { <http://dbpedia.org/resource/Nick_Diaz> <http://dbpedia.org/ontology/trainer> <http://dbpedia.org/resource/Brazilian_jiu-jitsu> }
Answer: [Yes], Brazilian jiu-jitsu is the trainer of Nick Diaz.