(S (S (NP (NP (BASENP (DT These) (NNS observations)) (PP (IN of) (BASENP (JJ distinct) (NNS jets)))) (PRN (COMMA ,) (PP (IN from) (BASENP (DT a) (NN 2010) (NN flyby))) (COMMA ,))) (VP (VBP are) (VP (VBN consistent) (PP (IN with) (NP (BASENP (NNS results)) (VP (VBG showing) (NP (BASENP (DT a) (NN difference)) (PP (IN in) (NP (BASENP (NN composition)) (PP (IN of) (NP (NP (BASENP (NN ice) (NNS grains)) (ADJP (JJ close) (PP (TO to) (NP (BASENP (DT the) (NN moon) (POS 's)) (NN surface))))) (CC and) (NP (BASENP (NN those)) (SBAR (WHNP (WDT that)) (S (VP (VP (VBD made) (BASENP (PRP it))) (PP (IN out) (PP (TO to) (NP (BASENP (DT the) (NNP E) (NNP ring)) (COMMA ,) (NP (BASENP (DT the) (JJ outermost) (NN ring)) (SBAR (WHNP (WDT that)) (S (VP (VP (VP (VBZ gets) (BASENP (PRPD its) (NN material))) (ADVP (RB primarily))) (PP (IN from) (BASENP (JJ Enceladean) (NNS jets))))))))))))))))))))))))) (PERIOD .))