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.

A death mask is a wax or plaster cast made of a person ’ s face .
Output:
A death mask is a likeness ( typically in wax or plaster cast ) of a person 's face following death , often made by taking a cast or impression directly from the corpse .