You will be given a definition of a task first, then some input of the task.
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.

Nephritis is inflammation of the kidneys .
Output:
Nephritis is inflammation of the kidneys and may involve the glomeruli , tubules , or interstitial tissue surrounding the glomeruli and tubules .