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:
I love this product! It is the best natural sweetener I have ever tried, and I have tried many. You can use also as pancake syrup or as a substitute for honey on your peanut butter and honey sandwich. It last a long time, and is a good value.

Ex Output:
5


Ex Input:
Must be honest to say that I enjoy the Dolce Gusto "milky" coffees so much, that I'm a little bias towards the plain ones.  However, as a regular coffee, this is a pretty good blend.

Ex Output:
3


Ex Input:
I love my garlic spray so much, that i ordered more! I grow garlic, but I don't even bother juicing them anymore, not with this product. There are 150 cloves in every bottle. Thats a lot of yummy garlic...

Ex Output:

5