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:
Great unit. Much better than standard timers due to the dimming of the light. I have noticed the fish don't scatter as if scared when the light turns on or off any more. For the price its well worth the purchase. Oh also note that it does work with other light fixtures such as beamswork.

Ex Output:
5

Ex Input:
This book is awesome! Anyone who loves the ocean needs this in their home. Absolutely beautiful photography and some really cool quotes throughout. Highly recommend.

Ex Output:
5

Ex Input:
This is one of the first books in a long time I did not want to finish. All three of the books are captivating. They are tied into each other but you get to know each character even better. Which you will love with these books. I got close to every person. It is like a TV series you don't want the season to end. But you can't wait for the next!

Ex Output:
5