(SINV (SINV (QT (DQL ``) (QTC (S (NP (BASENP (DT The) (JJ only) (NN way)) (SBAR (S (VP (TO to) (VP (VP (VB achieve) (BASENP (JJ such) (JJ high) (NNS temperatures))) (PP (IN at) (BASENP (NNP Enceladus)))))))) (VP (VBZ is) (PP (IN through) (NP (BASENP (DT the) (ADJP (RB very) (JJ rapid)) (NN decay)) (PP (IN of) (BASENP (DT some) (JJ radioactive) (NNS species))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (BASENP (NNP Dr.) (NNP Julie) (NNP Castillo)) (COMMA ,) (NP (BASENP (DT the) (NN lead) (NN scientist)) (VP (VP (VBG developing) (BASENP (DT the) (JJ new) (NN model))) (PP (IN at) (NP (BASENP (DT the) (NNP Jet) (NNP Propulsion) (NN laboratory)) (CC or) (BASENP (NNP JPL))))))))) (PERIOD .))