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: Good thermal qualities but the material is too stiff. They don't hang well at all. Very disappointed but will serve there purpose for the rest of the Michigan winter.
Example Output: 1

Example Input: It's good if you're going to use here and there but for a permanent stay not so good. The tubing is not strong , two of them bent at the joint. And when it rains it collects water on all 6 sides and the center tube come off.
Example Output: 2

Example Input: I use the clock for a few days, and I think it's worth the money. I like modern design. It is elegant and beautiful. Many useful features and functions. There are comfortable operating buttons on the top. I like to watch changing colors. Its alarms are reliable and the size is right. ... love it
Example Output:
5