(S (S (NP (BASENP (DT Some)) (PP (IN of) (NP (BASENP (DT the) (NNP United) (NNP Kingdom) (POS 's)) (NP (ADJP (RBS most) (JJ influential)) (BASENP (JJ British) (NNPS Muslims)))))) (VP (VBP have) (VP (VP (VP (VBN written) (BASENP (DT a) (NN letter))) (PP (TO to) (BASENP (NNP Prime) (NNP Minister) (NNP Tony) (NNP Blair)))) (S (VP (VBG saying) (SBAR (IN that) (S (NP (EX there)) (VP (MD must) (VP (VB be) (NP (BASENP (JJ urgent) (NNS changes)) (PP (TO to) (BASENP (NNP UK) (JJ foreign) (NN policy))))))))))))) (PERIOD .))