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.

Example Input: The KLIM keeps my laptop up to 10 Degrees cooler even during heat wave weather, in cooler weather its even more cool. I really do see the difference with this device and am very happy I purchased it. I would recommend it to any one.
Example Output: 5

Example Input: This does not work properly. I gave it 1 stars only because clock works. It does not track steps correctly. After shopping yesterday it said I went 3 steps. Hello.........I would not recommend anyone purchasing this product if you want to track steps.
Example Output: 1

Example Input: I've been using this for a few weeks. There was a tear a week in where the Velcro thumb strap wraps around. It's supportive and does what I need it to while wearing it. The large Velcro strap can get stuck to my clothes, which is frustrating.
Example Output:
3