(S (S (NP (BASENP (DT The) (NN cause)) (PP (IN of) (BASENP (NN death)))) (VP (VBD was) (NP (QT (DQL ``) (QTC (NP (BASENP (JJ advanced) (JJ acute) (JJ myocardial) (NN infarction)) (COMMA ,) (VP (VBN complicated) (PP (IN by) (BASENP (JJ serious) (NN heart) (NN shock))))) (COMMA ,)) (DQR '')) (VP (ADVP (RB commonly)) (VP (VBN known) (PP (IN as) (BASENP (DT a) (NN heart) (NN attack)))))))) (PERIOD .))