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
Masonry arch bridges use fill material ( typically compacted rubble ) above the arch in order to increase this dead-weight on the bridge .
Answer:
Masonry arch bridges use a quantity of fill material ( typically compacted rubble ) above the arch in order to increase this dead-weight on the bridge and prevent tension from occurring in the arch ring as loads move across the bridge .