(S (S (PP (IN In) (BASENP (NN addition))) (COMMA ,) (S (BASENP (JJ Israeli) (NN ground) (NNS forces)) (VP (VP (VP (VBD entered) (BASENP (NNP Gaza))) (PP (IN on) (BASENP (NNP Saturday)))) (S (VP (VBG causing) (NP (NP (BASENP (DT an) (JJ immediate) (NN spike)) (PP (IN in) (BASENP (NNS casualties)))) (CC and) (NP (BASENP (RB even) (NNS attacks)) (PP (IN on) (NP (BASENP (DT the) (NNS hospitals) (CC and) (NNS paramedics)) (BASENP (PRP themselves))))))))))) (PERIOD .))