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 Warsaw Convention is an international convention which regulates liability for international carriage of persons , luggage or goods performed by aircraft for reward .
Answer:
The Convention for the Unification of certain rules relating to international carriage by air , commonly known as the Warsaw Convention , is an international convention which regulates liability for international carriage of persons , luggage , or goods performed by aircraft for reward .