(S (S (S (NP (BASENP (NNP Barbaro)) (PRN (COMMA ,) (NP (BASENP (NN winner)) (PP (IN of) (BASENP (DT the) (NN 2006) (NNP Kentucky) (NNP Derby)))) (COMMA ,))) (VP (VBD was) (VP (VBN euthanized) (PP (IN on) (NP (BASENP (DT the) (NN morning)) (PP (IN of) (BASENP (NNP January) (NN 29)))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (NN co-owner) (NNP Roy) (NNP Jackson))))) (PERIOD .))