Part 1. 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.
Part 2. Example
The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
Answer: The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini.
Explanation: The output sentence elaborates on the input sentence without changing its general meaning e.g. "tetralogy of young adult high fantasy novels".
Part 3. Exercise
Kilometre zero ( also written " km 0 " , also mile zero , control stations or control points ) is a point from which distances are traditionally measured to other cities and countries ( often in capital cities ) .
Answer:
In many countries , Kilometre Zero ( also written " km 0 " ) or similar terms in other languages ( also known as zero mile marker , control stations or control points ) is a particular location ( usually in the nation 's capital city ) from which distances are traditionally measured .