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.

Very ingenious, affordable product. It allows us to buy better quality wines without risking waste if we choose to have a single glass on a daily basis. The Preserver seems to be working as advertised.
5