(S (S (ADVP (BASENP (NNS Weeks)) (RBR earlier)) (COMMA ,) (S (BASENP (JJ separate) (NNS storms)) (VP (VP (VP (VBD sank) (BASENP (NN two) (NN passenger) (NNS vessels))) (PP (IN in) (BASENP (DT the) (JJ central) (NNPS Philippines)))) (COMMA ,) (S (VP (VBG drowning) (NP (QP (ADVP (RBR more) (IN than)) (NN 50)) (NNS people))))))) (PERIOD .))