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.

[EX Q]: A federation is a union of a number of self-governing states or regions , which are joined together under a central government .
[EX A]: 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 ) .

[EX Q]: Enrique Pen ̃ a Nieto ( born 20 July 1966 ) was the 57th President of Mexico from 2012 to 2018 .
[EX A]: Enrique Pen ̃ a Nieto ( -RSB- ; born 20 July 1966 ) , commonly referred to by his initials EPN , is a Mexican politician who served as the 57th President of Mexico from 2012 to 2018 .

[EX Q]: The Royal Standard of Scotland , , also known as the Banner of the King of Scots , or more commonly the Lion Rampant of Scotland , is the Scottish Royal Banner of Arms .
[EX A]:
The Royal Banner of the Royal Arms of Scotland , also known as the Royal Banner of Scotland , or more commonly the Lion Rampant of Scotland , and historically as the Royal Standard of Scotland , or Banner of the King of Scots , is the Royal Banner of Scotland , and historically , the Royal Standard of the Kingdom of Scotland .