In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

[EX Q]: In economics , utility is the satisfaction or benefit derived by consuming a product ; thus the marginal utility of a goods or service is the change in the utility from an increase in the consumption of that good or service .
[EX A]: Marginal utility is a concept from economics that describes the change in utility from consuming more or less of a good or service .

[EX Q]: Adeel Alam ( born March 28 , 1986 ) is an American professional wrestler currently working full-time for WWE , where he performs on their SmackDown brand under the ring name Ali ( shortened from his previous ring name Mustafa Ali ) .
[EX A]: Adeel Alam ( born March 28 , 1986 ) is an American professional wrestler currently signed WWE and perform in SmackDown brand under in his ring name Mustafa Ali .

[EX Q]: The Junior Eurovision Song Contest 2008 was the sixth edition of the annual Junior Eurovision Song Contest , which is the world 's largest song contest for children .
[EX A]:
The Junior Eurovision Song Contest 2008 was the sixth edition of the contest .