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 Scotties were full of hot spots and when I used this within a week all the hot spots were gone. The smell is kinda strong, but not bad. It's tolerablel.

Ex Output:
5


Ex Input:
I ordered this for gifts around Christmas time. I actually was hoping to use it for our Christmas day meal. Two out of the four jars I ordered were rotten and inedible. I never did get to try it and I was very annoyed and disappointed!

Ex Output:
1


Ex Input:
Toy was typical quality I expected.  I got taken for a major ride on the shipping!

Ex Output:

3