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
The Praetorian Guard was a force of bodyguards used by Roman Emperors .
Answer:
The Praetorian Guard ( Latin : " cohortes praetorianae " ) was an elite unit of the Imperial Roman army whose members served as personal bodyguards to the Roman emperors .