(S (S (BASENP (DT The) (NNS police)) (VP (VBP have) (VP (VBN claimed) (SBAR (IN that) (S (NP (NP (BASENP (DT the) (NN death) (NN toll)) (PP (IN in) (BASENP (DT the) (NNP Miyagi) (NNP Prefecture)))) (PP (IN as) (NP (BASENP (DT a) (NN result)) (PP (IN of) (NP (DT the) (BASENP (NN earthquake) (CC and) (NN tsunami))))))) (VP (MD could) (VP (VB be) (PP (IN in) (NP (BASENP (NN excess)) (PP (IN of) (BASENP (NN ten) (NN thousand)))))))))))) (PERIOD .))