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:
Wrigleys' 5 FLARE sugarless gum is Wrigleys' sugarless replacement for their "Big Red" cinnamon gum. 5 flare seems to be difficult to find in stores. Thanks to Amazon I always have a supply. 5 FLARE is also the longest lasting gum I have ever experienced both in flavor and durability. It is positively the best cinnamon flavor currently on the market.

Ex Output:
5


Ex Input:
The first time I tried this product  was 2 years ago at the Venetian spa restaurant in Las Vegas  having  a cup of tea with some friends. We all remarked how delicious and tasty it made our tea.  We've been using it ever since. A little goes a long way and I use it anytime I would ordinarily use a sweetener.  Since the artificial sweeteners are so unsafe and unhealthy and I have a sweet tooth, I felt this was a safe alternative. Not only is it safer, but there's no aftertaste and doesn't raise your blood sugar level. This particular stevia has absolutely no bitter taste to it. I've tried others before and since and there's no comparison.

Ex Output:
5


Ex Input:
I am a fan of Pamela's gluten free products and have been happy with all of them until I got the Raisin Walnut Cookies. I just received the order a couple of days ago. I've eaten four of the cookies and they are very good tasting. However, in two of the four cookies I found myself chewing what presumably was walnut shells! I could have easily chipped or broken a tooth.  Pamela's makes some great products but this one is "risky".

Ex Output:

2