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. 
One example: I have bought several of the Vitality canned dog food products and have found them all to be of good quality. The product looks more like a stew than a processed meat and it smells better. My Labrador is finicky and she appreciates this product better than  most.
Solution is here: 5
Explanation: The user really seem very satisfied with the product and gave good review worthy of 5 stars rating.

Now, solve this: I don't know what to say that others have not covered. If you like potato chips you will like these. Get em on sale when you can and limit your intake...if you can...
Solution:
4