The above question wants to assess your ability to write an essay. For that reason, it is not correct that I write this introduction for you, but I will show you how to write it.
First, you must know that a narrative essay intends to tell a story. Also, you should know that the introduction is the part of an essay where basic information is presented.
In that case, you can write your introduction as follows:
It is important to remember that the introduction must be a short paragraph, with 5 or 6 lines.
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