(S (S (BASENP (DT The) (NNP State) (NN government)) (VP (VBZ has) (VP (VBN been) (VP (VBN criticised) (PP (IN for) (S (VP (VBG providing) (NP (BASENP (JJ free) (NN police) (NN protection)) (PP (IN at) (BASENP (DT the) (NN conference))))))))))) (PERIOD .))