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. 

Ex Input:
My son loves these pancakes. Much healthier alternative to the original. I am excited to try the other recipes soon.

Ex Output:
5


Ex Input:
Not one member of my family, including me, like these extremely salty, much too strong a BQ taste to order more.  I purchased them on a recuring basis and i wish to cancel now.  I have received only one shipment. Cancel further shipments.  Not to our taste at all. These are Lowery pork rinds.

Ex Output:
2


Ex Input:
strawberry twist has a long-lasting pleasant flavor SWEET-but, not excessively so. delivery is timely and price is just right. Supieror to other TRIDENT flavors! Though, SPEARMINT isn't bad either. My next pick would be blueberry

Ex Output:

4