(S (S (NP (BASENP (NNP Jean) (NNP Chrétien)) (PRN (COMMA ,) (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (NNP Canada) (POS 's)) (BASENP (JJ former) (NN prime) (NNS ministers))))) (COMMA ,))) (VP (VP (VP (VBD received) (BASENP (JJ quadruple) (NN heart) (NN bypass) (NN surgery))) (BASENP (NN yesterday))) (PP (IN at) (NP (BASENP (NNP Montreal) (POS 's)) (BASENP (NNP Heart) (NNP Institute)))))) (PERIOD .))