(S (S (NP (BASENP (NNP Hasan) (NNP Khalaf)) (PRN (COMMA ,) (NP (BASENP (NNP Gaza) (POS 's)) (BASENP (NN assistant) (NN deputy) (NN health) (NN minister))) (COMMA ,))) (VP (VP (VBD described) (NP (BASENP (DT the) (JJ ongoing) (NN assault)) (PP (IN on) (BASENP (NNP Gaza))))) (PP (IN as) (QT (DQL ``) (BASENP (DT an) (JJ Israeli) (NN massacre)) (DQR ''))))) (PERIOD .))