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
Anoxic events ( AE ) occur when oceans become completely depleted of oxygen ( O ) below the surface levels .
Answer:
Oceanic anoxic events or anoxic events ( anoxia conditions ) were intervals in the Earth 's past where portions of oceans became depleted in oxygen ( O ) at depths over a large geographic area .