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.
One example is below.
Q: The Inheritance Cycle is a series of fantasy books written by Christopher Paolini.
A: The Inheritance Cycle is a tetralogy of young adult high fantasy novels written by American author Christopher Paolini.
Rationale: The output sentence elaborates on the input sentence without changing its general meaning e.g. "tetralogy of young adult high fantasy novels".
Q: In mathematics a loss function or cost function is a mathematical function that maps an event , or the values of one or more variables onto a real number .
A:
In mathematical optimization and decision theory , a loss function or cost function is a function that maps an event or values of one or more variables onto a real number intuitively representing some " cost " associated with the event .