(S (S (NP (NP (NP (BASENP (NN Overnight) (NN shelling)) (CC and) (BASENP (NN mortar) (NNS attacks))) (PP (IN from) (BASENP (DT the) (NNP Tamil) (NNPS Tigers)))) (PRN (COMMA ,) (NP (BASENP (DT the) (JJ main) (JJ rebel) (NN group)) (VP (VBN involved) (PP (IN in) (BASENP (DT the) (NN fighting))))) (COMMA ,))) (VP (VP (VBD killed) (BASENP (NN one) (NN government) (NN soldier))) (CC and) (VP (VBD injured) (BASENP (JJ several) (NNS others))))) (PERIOD .))