In this task, you're given a review from Amazon. Your task is to generate a rating for the product on a scale of 1-5 based on the review. The rating means 1: extremely poor, 2: poor, 3: neutral, 4: good, 5: extremely good.
Q: Excellent storyline and without gratuitous sex. Every romance writer should learn to craft a story that brings readers back for more without having to resort to soft porn to attract them Great book!
A:
5