(S (S (BASENP (DT The) (JJ new) (NN paper)) (VP (VP (VP (VP (VBZ analyzes) (BASENP (NN three) (NNP Enceladus) (NNS flybys))) (PP (IN in) (BASENP (NN 2008) (CC and) (NN 2009)))) (PP (IN with) (BASENP (DT the) (JJ same) (NN instrument)))) (COMMA ,) (S (VP (VBG focusing) (PP (IN on) (NP (BASENP (DT the) (NN composition)) (PP (IN of) (BASENP (ADJP (RB freshly) (VBN ejected)) (NN plume) (NNS grains))))))))) (PERIOD .))