Definition: 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'm very happy with this product. It's survived the entire summer season and still works like a champ. Varied spray nozzle pattern makes it easy to direct exactly where water is going. Timer is simple to use and effective. I would definitely buy again.
Output:
5