(S (S (BASENP (DT A) (JJ postmortem) (NN examination)) (VP (VBZ has) (VP (VBN concluded) (SBAR (IN that) (S (BASENP (PRP he)) (VP (VBD died) (PP (IN from) (BASENP (JJ hypertensive) (NN heart) (NN disease))))))))) (PERIOD .))