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: These Backyard BBQ Kettle Chips were a great deal with the promo code.  It was nice to have a larger size bag.  Some Kettle Chips in the grocery store are only about 5 ounces and we polish them off in one family lunch!  They arrived fresh and were not in crumbles as some other chips from Amazon Grocery have been.  Great flavor and All Natural!
Example Output: 5

Example Input: Not quiet what I was expecting.  The cherries were dried and could not taste the brandy.  The dark chocolate was good but too crunchy.
Example Output: 3

Example Input: The cups are a little tight for my machine. You have to press down on the handle really hard. Also the lids don't fit properly unless the filter is pushed down all the way into the cup.
Example Output:
3