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.

Example Input: The kilogram is the base unit of mass in the International System of Units ( SI ) .
Example Output: 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 .

Example Input: A federation is a union of a number of self-governing states or regions , which are joined together under a central government .
Example Output: A federation ( also known as a federal state ) is a political entity characterized by a union of partially self-governing provinces , states , or other regions under a central federal government ( federalism ) .

Example Input: The archaeologists said that the bones were from a boy who was about 10 to 13 , and a young woman who was between 18 and 23 years old .
Example Output:
The archaeologists said the bones were from a boy who was roughly between the ages of ten and thirteen years at the time of his death and of a young woman who was roughly between the ages of eighteen and twenty-three years old .