(S (S (BASENP (NNP Italian) (NNP Prime) (NNP Minister) (NNP Silvio) (NNP Berlusconi)) (VP (VP (VP (VP (VBZ is) (PP (IN in) (BASENP (NNP San) (NNP Raffaele) (NNP Hospital)))) (BASENP (NN overnight))) (PP (IN in) (BASENP (NNP Milan)))) (PP (VBG following) (NP (BASENP (DT an) (NN assault)) (PP (IN during) (NP (BASENP (DT an) (NN autograph) (NN session)) (PP (IN at) (NP (BASENP (DT the) (NN end)) (PP (IN of) (BASENP (DT a) (NN rally))))))))))) (PERIOD .))