(S (S (S (BASENP (NNS Bodies)) (VP (VBD were) (VP (VBN found) (PP (IN in) (NP (BASENP (NN four) (NNS classrooms)) (CC and) (BASENP (DT a) (NN stairwell))))))) (COMMA ,) (PP (VBG according) (PP (TO to) (BASENP (NNP Virginia) (NN state) (NN police) (NN superintendent) (NNP Col.) (NNP Steve) (NNP Flaherty))))) (PERIOD .))