(S (S (BASENP (NN Seventeen) (NNS people)) (VP (VBD were) (VP (VBN wounded) (PP (IN in) (NP (BASENP (DT a) (NN blast)) (PP (IN at) (NP (BASENP (DT a) (NN police) (NN box)) (PP (IN near) (NP (BASENP (DT a) (NNP Big) (NNP C) (NN supermarket)) (PP (IN at) (BASENP (DT the) (NNP Saphan) (NNP Kwai) (NN intersection)))))))))))) (PERIOD .))