(S (S (PP (IN With) (NP (BASENP (NNS studies)) (VP (VBG suggesting) (NP (NP (BASENP (DT the) (NN existence)) (PP (IN of) (BASENP (NN life)))) (PP (IN on) (BASENP (NNP Mars))))))) (COMMA ,) (S (BASENP (DT the) (JJ new) (NN system)) (VP (MD may) (VP (ADVP (RB soon)) (VP (VB see) (BASENP (NN implementation))))))) (PERIOD .))