(S (S (NP (BASENP (NNS Survivors)) (PP (IN of) (BASENP (DT the) (NNP London) (NNPS Bombings)))) (VP (VBP have) (VP (VP (VBN urged) (BASENP (DT the) (JJ British) (NN public))) (S (VP (TO to) (VP (VP (VB write) (PP (TO to) (BASENP (PRPD their) (NNPS MPs)))) (CONJP (COMMA ,) (CC and)) (VP (VP (VB set) (PRT (RP up))) (NP (BASENP (DT an) (JJ online) (NN petition)) (VP (VBG calling) (PP (IN for) (NP (BASENP (DT an) (JJ independent) (NNP Public) (NNP Inquiry)) (PP (IN into) (BASENP (DT the) (NNS attacks)))))))))))))) (PERIOD .))