(S (S (NP (NP (BASENP (NNS Attacks)) (PP (IN by) (BASENP (NNP Israel)))) (VP (VBN aimed) (PP (IN at) (BASENP (NNP Hamas) (NNS fighters))))) (VP (VBP have) (VP (VP (VBN killed) (NP (BASENP (QP (RB over) (NN 400)) (NNPS Palestinians)) (PP (VBG including) (BASENP (JJ many) (NNS civilians))))) (COMMA ,) (PP (IN since) (NP (BASENP (NNP June)) (BASENP (DT this) (NN year))))))) (PERIOD .))