In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

Let me give you an example: The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
The answer to this example can be: The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini.
Here is why: The output sentence elaborates on the input sentence without changing its general meaning e.g. "tetralogy of young adult high fantasy novels".

OK. solve this:
The Prime Minister of Italy , officially President of the Council of Ministers , is the head of government of Italy .
Answer:
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 .