Detailed Instructions: 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: This 300+ page light reading presented important info re the very serious subject of "casual" tween/teen sexting and the legal implications these families can find themselves in as a result of a seemingly carefree, juvenile practice. Enlightening!
A:
4