(S (S (BASENP (EX There)) (VP (VBZ is) (NP (BASENP (DT no) (NN indication)) (PP (IN as) (PP (IN in) (PP (TO to) (NP (BASENP (DT the) (JJ precise) (NN nature)) (PP (IN of) (BASENP (DT the) (NN attack)))))))))) (PERIOD .))