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.

[Q]: The PlayStation ( officially abbreviated as PS and commonly known as the PS1 or its codename PSX ) is a home video game console developed and marketed by Sony Computer Entertainment .
[A]: The PlayStation ( often known as the PS1 or the PSX ) is a video game console made by Sony .

[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 .
[A]: Marginal utility is a concept from economics that describes the change in utility from consuming more or less of a good or service .

[Q]: The University of Engineering and Technology , Lahore ( UET Lahore ) is a public university and the oldest engineering institution in Pakistan , located in Lahore , Punjab , Pakistan .
[A]:
The University of Engineering and Technology , Lahore is the oldest engineering university in Pakistan .