(S (S (BASENP (NNS Demonstrators)) (VP (VBP are) (VP (VBN said) (S (VP (VP (TO to) (VP (VB have) (VP (VBN asked) (NP (BASENP (NN permission)) (PP (IN for) (BASENP (DT the) (NN rally))))))) (CC and) (VP (TO to) (VP (VB have) (VP (VBN received) (NP (BASENP (NN authorisation)) (PP (IN for) (S (VP (VP (VBG having) (BASENP (DT the) (NN protest))) (PP (IN on) (BASENP (DT some) (NNS sites))))))))))))))) (PERIOD .))