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: Xu Chongde ( 15 January 1929 – 3 March 2014 ) was a Chinese legal expert , professor and political scientist .
Solution:
Xu Chongde ( 15 January 1929 – 3 March 2014 ) was a well-known legal expert and professor , political scientist , and the member of the Communist Party of China in the People 's Republic of China .