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]: Marginal utility is a concept from economics that describes the change in utility from consuming more or less of a good or service .
[EX A]: 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 Q]: The organism changes from a single zygote to a complex system of tissues and cell types .
[EX A]: Differentiation occurs numerous times during the development of a multicellular organism as it changes from a simple zygote to a complex system of tissues and cell types .

[EX Q]: The word cipher in French is " cifre " and in Medieval Latin " cifra " , from the Arabic " sifr " , meaning ' zero ' .
[EX A]:
The word " cipher " ( minority spelling " cypher " ) in former times meant " zero " and had the same origin : Middle French as " " and Medieval Latin as " cifra , " from the Arabic صفر " sifr " = zero ( see Zero — Etymology ) .