Instructions: 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: 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
Output:
5