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:
After reading the cookbook I am grateful for some of the designations provided by the editor. Certain recipes are indicated as light or fast to prepare. I do not want this, so I turned to this book. Thanks to the book, I learned how to balance myself pH, through which I can lose weight, fight fatigue, improve digestion and increase energy. The book is written very easily and understandably. Thanks to the author for the useful information.

Ex Output:
4

Ex Input:
I really like the IDEA of this item. We have 2 people w ALS and Arthritis using them, and they help w gripping & turning the tops, but on the 16 oz water bottles, they are making them so cheap and "shallow" caps, that this is unable to grip well for that. A coke bottle w a higher cap top works fine. its just the lower profile water bottles they dont work as efficiently. I dont know how durable it it, we just got them. But they are not made of a sturdy plastic like the other gripper items we purchases. But hopefully will work to keep in car, pocket when in need of opening a bottle to drink! MAYBE the company will have to look into re-designing to meet the new low profile caps?

Ex Output:
3

Ex Input:
Material is thin, reminded me of a cheap plastic table cloth. I wasn't going to reuse it so it did the job for a day. It is big enough to cover an average size wall.

Ex Output:
4