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.
Input: I use these with camping to keep water at the campsite. They pack well and hold up well but they are prone to getting holes so don't rely on just one.
Output:
4