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: My son loved all the sauces.  The only sauce that was way too hot was the Insanity Sauce, use a teensy tiny bit when using.
Example Output: 4

Example Input: The coffee is just OK, a little weak. The price is a little high and it is not worth the extra money.
Example Output: 3

Example Input: I have three small dogs and these are one of their favorite treats!  I don't have to worry about them choking and I feel I am giving them a healthy treat!  Please don't ever stop making them Pet N Shape.
Example Output:
5