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
Immanuel Maurice Wallerstein ( ; September 28 , 1930 – August 31 , 2019 ) was an American sociologist , economic historian and world-systems analyst .
Answer:
Immanuel Maurice Wallerstein ( ; September 28 , 1930 – August 31 , 2019 ) was an American sociologist , economic historian and world-systems analyst , arguably best known for his development of the general approach in sociology which led to the emergence of his world-systems approach .