Given the task definition and input, reply with output. In this task, you're given a review from Amazon's food products. 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 or mixed, 4: good, 5: extremely good.

This coffee is a great alternative for someone who has acid reflux and ulcer problems. The low acid allows me to still have my caffine for the day. Maybe not as smooth tasting as my usual blend, but I'm so thankful for it. Really close in taste.
4