Task: Sentence Expansion
Input (English): The Prime Minister of Italy , officially President of the Council of Ministers , is the head of government of Italy .
Output (English): The President of the Council of Ministers of the Italian Republic ( Italian : " Presidente del Consiglio dei ministri della Repubblica Italiana " ) , commonly referred to in Italy as Presidente del Consiglio , or informally as Premier and known in English as the Prime Minister of Italy , is the head of government of the Italian Republic .