(S (S (BASENP (DT The) (NNP Cassini) (CC --) (NNP Huygens) (NN spacecraft)) (VP (VBZ has) (VP (VBN discovered) (NP (NP (QT (DQL ``) (BASENP (JJ organic) (NN material)) (DQR '')) (CC and) (NP (BASENP (NN water)) (VP (VBG spewing) (PP (IN from) (BASENP (DT a) (NN geyser)))))) (PP (IN on) (NP (NP (BASENP (NN one)) (PP (IN of) (NP (BASENP (NNP Saturn) (POS 's)) (NNS moons)))) (COMMA ,) (BASENP (NNP Enceladus)))))))) (PERIOD .))