(S (S (S (PP (PP (IN For) (NP (BASENP (DT the) (NN safety)) (PP (IN of) (BASENP (DT the) (NNS leaders))))) (CONJP (ADVP (RB as) (RB well)) (IN as)) (PP (IN for) (NP (NP (BASENP (DT the) (NN convenience)) (PP (IN of) (NP (BASENP (NN city) (POS 's)) (NN traffic)))) (PP (IN during) (BASENP (JJ possible) (NNS demonstrations)))))) (COMMA ,) (S (BASENP (DT a) (NN security) (NN plan)) (VP (VBZ has) (VP (VBN been) (VP (VBN prepared)))))) (PP (VBG according) (PP (TO to) (BASENP (JJ local) (NN police))))) (PERIOD .))