The question wants to assess your writing ability. For this reason, it is not correct that I answer the question for you, but I will show you how to answer it.
The question wants you to write the introduction of the story you are going to write. The introduction is where the most basic elements of your story are introduced. These elements, although basic, are essential for the reader to understand your story.
In this case, to write your introduction you should:
Think of a plot to write a short story.
Present your story, showing where it takes place, the environment, the year, the climate, the region, and everything that makes up the scenario.
Introduce the characters and what they do.
Present the central topic of your story, causing the reader's curiosity.
Step-by-step explanation: