In this task, you're given a review from Amazon. 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, 4: good, 5: extremely good.

Ex Input:
Ordered this case but two whole packs (4 individual) were rotten. I could even smell it right through the cover. At first I thought there must be a puncture of some kind but could not find any. So knock off 2 or more and that is how many one gets for the price.

Ex Output:
3

Ex Input:
I thought I was getting old cut up t-shirts. Half the box was T-shirts and the other half was old pillow cases which are not good shop rags and the pillow cases were still one piece.

Ex Output:
2

Ex Input:
This mask is made well and fit my face well, but it left me with a ton of glitter EVERYWHERE. I used a clear craft sealant spray on it and that helped the problem a bit. The color was true and very pretty.

Ex Output:
3