(S (S (NP (BASENP (DT The) (NNS police)) (PP (IN in) (BASENP (NNP Delhi)))) (VP (VBP claim) (S (VP (TO to) (VP (VB have) (VP (VP (VBN told) (NP (BASENP (DT the) (NNS police)) (PP (IN in) (BASENP (NNP Bihar))))) (PP (IN about) (NP (BASENP (DT the) (NN potential)) (PP (IN of) (BASENP (DT a) (JJ terrorist) (NN attack))))))))))) (PERIOD .))