(S (S (BASENP (NNS Protestors)) (VP (VBP say) (SBAR (IN that) (S (BASENP (PRPD their) (NN protest)) (VP (VP (VBD was) (PP (IN on) (BASENP (DT the) (VBN authorised) (NNS sites)))) (CC and) (VP (VP (VBD was) (RB not)) (ADJP (JJ unlawful)))))))) (PERIOD .))