(S (S (BASENP (DT The) (NN explosion)) (VP (VBD occurred) (PP (IN in) (NP (BASENP (DT the) (NN town)) (PP (IN of) (NP (BASENP (NNP Lakki) (NNP Marwat)) (PP (IN in) (NP (NP (BASENP (DT the) (NNP North) (NNP West) (NNP Frontier) (NNP Province)) (PRN (COMMA ,) (VP (VBN located) (PP (ADVP (RB nearby)) (PP (TO to) (BASENP (DT the) (NNP South) (CC and) (NNP North) (NNP Waziristan) (NNS provinces))))) (COMMA ,))) (NP (BASENP (DT an) (NN area)) (SBAR (WHADVP (WRB where)) (S (BASENP (JJ Pakistani) (NNP Taliban) (NNS members)) (VP (VBP are) (VP (VBN known) (S (VP (TO to) (VP (VB be) (ADJP (JJR active)))))))))))))))))) (PERIOD .))