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: Sesmark makes a very high quality rice cracker and then proceeds to ruin it by loading it up with so much salt as to make it inedible.  USE CAUTION before buying this item since there are NO RETURNS and you might find yourself with a throw away.
Example Output: 2

Example Input: I was not very happy when i recieved my order. All the cookies were melted. Very good product. Word of advise. Don't buy any products in the summer time that will melt.
Example Output: 3

Example Input: This spice can be tricky to get good quality and this one arrived quick and the flavors are spot on, use it to marinate fish or chicken then grill it, love it!
Example Output:
4