(S (S (BASENP (NNP Deputy) (NNP Police) (NNP Chief) (NNP W.J.) (NNP Riley)) (VP (VBD said) (SBAR (S (BASENP (NN police)) (VP (VP (VBD shot) (PP (IN at) (NP (BASENP (NN eight) (NNS people)) (VP (VBG carrying) (BASENP (NNS guns)))))) (COMMA ,) (S (VP (VBG killing) (BASENP (QP (NN five) (CC or) (NN six)))))))))) (PERIOD .))