(S (S (NP (NP (NN Two) (NP (NP (BASENP (NNP Long) (NNP Island)) (COMMA ,) (BASENP (NNP New) (NNP York))) (NNS teenagers))) (PRN (COMMA ,) (ADJP (JJ aged) (BASENP (NN 15) (CC and) (NN 17))) (COMMA ,))) (VP (VBP have) (VP (VBN been) (VP (VBN charged) (PP (IN for) (NP (BASENP (PRPD their) (JJ alleged) (NN involvement)) (PP (IN in) (NP (BASENP (DT a) (VBN suspected) (NN plot)) (S (VP (TO to) (VP (VP (VP (VB attack) (BASENP (PRPD their) (NN school))) (BASENP (JJ next) (NNP April))) (COMMA ,) (PP (IN on) (NP (BASENP (DT the) (JJ ninth) (NN anniversary)) (PP (IN of) (BASENP (DT the) (NNP Columbine) (NNP High) (NNP School) (NN shooting) (NN massacre)))))))))))))))) (PERIOD .))