(S (S (PP (VBG According) (PP (TO to) (BASENP (DT the) (JJ Pakistani) (NN army)))) (COMMA ,) (S (S (S (NP (BASENP (NNS hundreds)) (PP (IN of) (BASENP (NNS militants)))) (VP (VBD were) (VP (VBN killed)))) (SBAR (IN since) (S (BASENP (DT the) (NN operation)) (VP (VBD was) (VP (VBN launched)))))) (CONJP (COMMA ,) (CC but)) (S (BASENP (DT the) (NNP Taliban)) (VP (VBZ denies) (BASENP (DT the) (NNS claims)))))) (PERIOD .))