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]: Noam Chomsky surprised many by coming to the defense of sociobiology on the grounds that political radicals need to postulate a relatively fixed idea of human nature in order to be able to struggle for a better society .
[EX A]: Noam Chomsky , a linguist and political scientist , surprised many by coming to the defense of sociobiology on the grounds that political radicals needed to postulate a relatively fixed idea of human nature in order to be able to struggle for a better society , claiming that leaders should know what human needs were in order to build a better society .

[EX Q]: He was the son of Walter Stewart and Marjorie Bruce .
[EX A]:
He was the son of Walter Stewart , 6th High Steward of Scotland and of Marjorie Bruce , daughter of the Scottish king Robert the Bruce by his first wife Isabella of Mar .

