(S (S (BASENP (DT The) (NNS police)) (VP (VBP have) (VP (VBN commented) (SBAR (IN that) (S (BASENP (PRP it)) (VP (VBZ is) (ADJP (ADJP (RB too) (JJ early)) (S (VP (TO to) (VP (VB know) (SBAR (IN whether) (S (BASENP (DT the) (NN weather) (NNS conditions)) (VP (VBD were) (NP (BASENP (DT a) (NN factor)) (PP (IN in) (BASENP (DT this) (NN crash))))))))))))))))) (PERIOD .))