The seat of Peter is now empty ; the throne is vacant , '' said Giovanni Maria Vian , a Vatican historian at La Sapienza University in Rome . ''
Giovanni Maria Vian /people/person/place_lived Rome
DT NN IN NNP VBZ RB JJ : DT NN VBZ JJ , '' VBD NNP NNP NNP , DT NNP NN IN NNP NNP NNP IN NNP . ''
Giovanni Maria Vian
PERSON
Rome
LOCATION
/people/person/place_lived