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 dog thinks he was born into the gentry and is entitled to fine dining each evening.  Accordingly, he will not eat plain kibble.  A scoop of this on his dry food, a little water to make gravy and we're good to go.  Ordering a case from Amazon was way easier than picking up individual cans at the pet store, too.  All in all, a success for us.

Ex Output:
4


Ex Input:
We love Trader Joe's Just the Clusters Vanilla Almond Granola Cereal but were very disappointed with the quantity we recived for the price charged.  As a result, we returned same.

Ex Output:
1


Ex Input:
This is a cute product to use in place of sprinkles - the bright colors of candy coating look great, and the chocolate center keeps them from being overly sweet.  However this price is roughly double what you pay at Michael's (or Marshall's, when they stock stuff like this). Plus you can get the same product but in a 16 oz bag on Amazon here: http://www.amazon.com/CK-Products-Rainbow-Candy-Coated/dp/B00375LAO0/ref=sr_1_1?ie=UTF8&s=home-garden&qid=1300131716&sr=1-1. Comes with Prime shipping too!

Ex Output:

4