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.

Input: Consider Input: I can't believe this book does not get more reviews. I have lots of books and programs to try to learn Spanish. This and Spanish with Paul are the two best that I've come across

Output: 5

Input: Consider 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.

Output: 3

Input: Consider Input: Looks like a neat little trailer but the product was cracked and needed extensive structural repairs. Appears it was dropped during or prior to shipment. Shame on you Amazon
Output: 2