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.

[EX Q]: Seismic waves are divided into two main types of waves , body waves and surface waves .
[EX A]: Among the many types of seismic waves , one can make a broad distinction between " body waves " , which travel through the Earth , and " surface waves " , which travel at the Earth 's surface .

[EX Q]: McGriddles are a type of breakfast sandwich sold by McDonald 's .
[EX A]: The McGriddles sandwich ( colloquial singular form McGriddle ) is a type of breakfast sandwich sold by the international fast food restaurant chain McDonald 's .

[EX Q]: They joined Mishe and Buzhen , made a surprise attack on Helu , and captured or killed tens of thousands .
[EX A]:
He joined forces with Ashina Mishe and Ashina Buzhen , and made a surprise attack on the regrouping Ashina Helu , again defeating him and capturing or killing some tens of thousands of men .