(S (S (BASENP (NNS Police)) (VP (VBP speak) (PP (IN of) (NP (BASENP (JJ open) (NN war)) (PP (IN with) (NP (BASENP (NNS youths)) (SBAR (WHNP (WP who)) (S (VP (VBP are) (VP (VBN bent) (PP (IN on) (NP (ADVP (RBR more) (IN than)) (NN vandalism))))))))))))) (PERIOD .))