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.
Q: In other countries , such as the United States , the cabinet has limited power , and is an advisor to the Head of Government .
A: 
In countries with a presidential system , such as the United States , the Cabinet does not function as a collective legislative influence ; rather , their primary role is as an official advisory council to the head of government .