(S (S (BASENP (DT The) (NNS police)) (VP (VP (MD would) (RB not)) (VP (VB comment) (PP (IN on) (SBAR (SBAR (IN whether) (CC or) (RB not)) (S (BASENP (PRP it)) (VP (VBD was) (BASENP (DT a) (JJ gang-related) (NN incident))))))))) (PERIOD .))