(SINV (SINV (QT (DQL ``) (QTC (S (BASENP (PRP We)) (VP (VBP realize) (SBAR (IN that) (S (BASENP (DT this)) (VP (VP (VBZ is) (BASENP (DT a) (JJ radical) (NN conclusion))) (COLON --) (SBAR (IN that) (S (BASENP (PRP we)) (VP (MD may) (VP (VP (VB have) (NP (BASENP (NN evidence)) (PP (IN for) (BASENP (JJ liquid) (NN water))))) (PP (IN within) (NP (BASENP (DT a) (NN body)) (ADJP (ADJP (RB so) (JJ small)) (CC and) (ADJP (RB so) (JJ cold)))))))))))))) (COMMA ,)) (DQR '')) (SINV (VP (VBD said)) (NP (BASENP (NNP Dr.) (NNP Carolyn) (NNP Porco)) (COMMA ,) (NP (BASENP (NNP Cassini) (NN imaging) (NN team) (NN leader)) (PP (IN at) (NP (BASENP (DT the) (NNP Space) (NNP Science) (NNP Institute)) (COMMA ,) (BASENP (NNP Boulder) (COMMA ,) (NNP Colorado)))))))) (PERIOD .))