(S (S (S (BASENP (EX There)) (VP (VBD was) (NP (BASENP (DT no) (NN warning)) (ADVP (JJ prior) (PP (TO to) (BASENP (DT the) (NN attack))))))) (CC and) (S (S (BASENP (RB only) (NNS journalists)) (VP (VBD were) (PP (IN inside) (BASENP (DT the) (NN building))))) (SBAR (WHADVP (WRB when)) (S (BASENP (DT the) (NN rocket)) (VP (VBD hit)))))) (PERIOD .))