(S (S (NP (BASENP (DT The) (NN cause)) (PP (IN of) (BASENP (NN death)))) (VP (VBD was) (NP (BASENP (DT a) (JJ long) (NN illness)) (SBAR (S (BASENP (PRP he)) (VP (VBD suffered) (PP (IN since) (NP (BASENP (DT a) (NN stroke)) (PP (IN in) (BASENP (NNP December) (NN 2007))))))))))) (PERIOD .))