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 loved all the sauces.  The only sauce that was way too hot was the Insanity Sauce, use a teensy tiny bit when using.

Ex Output:
4


Ex Input:
I thought this coffee was really horrible. Had one cup and will throw the rest away because it can't be returned.

Ex Output:
1


Ex Input:
This expensive pancake mix tastes so processed and fake.  A less expensive bisquick from your local grocery store beats the taste, no doubt.  It's a yucky product.

Ex Output:

1