(S (S (S (BASENP (DT The) (NNP Israeli) (NNP Defense) (NNPS Forces)) (VP (VBP have) (VP (VP (VBN carried) (PRT (RP out))) (NP (BASENP (QP (NN 5) (CC to) (NN 8)) (NN air) (NNS strikes)) (VP (VBG targeting) (NP (NP (NP (NP (NP (NP (BASENP (DT the) (NN office)) (PP (IN of) (BASENP (DT the) (JJ Palestinian) (NN interior) (NN ministry)))) (POS 's)) (NNS headquarters)) (VP (VBN occupied) (PP (IN by) (BASENP (DT the) (JJ governing) (NN party) (NNP Hamas))))) (PP (IN in) (BASENP (NNP Gaza)))) (CC and) (NP (NP (BASENP (DT an) (NN office)) (PP (IN of) (NP (BASENP (NNP President) (NNP Mahmoud) (NNP Abbas) (POS 's)) (BASENP (NNP Fatah) (NN party))))) (PP (IN in) (BASENP (NNP Gaza)))))))))) (COMMA ,) (S (BASENP (ADJP (JJ Palestinian) (CC and) (JJ Israeli)) (NNS sources)) (VP (VBP say)))) (PERIOD .))