TASK DEFINITION: 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.
PROBLEM: The kilogram is the base unit of mass in the International System of Units ( SI ) .

SOLUTION: The kilogram ( also kilogramme ) is the base unit of mass in the metric system , formally the International System of Units ( SI ) , having the unit symbol kg .

PROBLEM: Whistler was the host Mountain Resort of the Vancouver 2010 Winter Olympics and Paralympic Games .

SOLUTION: Whistler was the Host Mountain Resort of the Vancouver 2010 Winter Olympics and Paralympic Games , the first time the International Olympic Committee has bestowed that designation on a community .

PROBLEM: A parliamentary republic is a name for a government ( system of managing people ) .

SOLUTION:
A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch ( the government ) derives its legitimacy from and is accountable to the legislature ( the parliament ) .