Detailed Instructions: 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.
See one example below:
Problem: The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
Solution: 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".

Problem: The Chinese Academy of Sciences ( CAS , formerly : Academia Sinica ) is the supreme institution for all the natural science organisations in China .
Solution:
The Chinese Academy of Sciences ( CAS ; ) , with historical origins in the Academia Sinica during the Republican era and formerly also known by that name , is the national academy for the natural sciences of the People 's Republic of China ( PRC ) .