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. 

Example Input: This batch was horrible.  Since most regular coffee were out of stock, I tried this one.  It tastes and smells awful.  Do not buy this flavor.
Example Output: 1

Example Input: Bought these for a birthday and they were perfect--all arrived uncracked and wrapped really well. Super cute and perfect for 4 year olds.
Example Output: 5

Example Input: It's not bad. Good ingredients for a change so that's a plus. Taste is okay but not great. I would drink it if offered, but doubt I'd buy it.
Example Output:
3