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: Not works. It is easy to use and non toxic indeed, yet this formula will not kill any roaches or any insects. It only provides a strong scent that insects hate and not pass by; however, the scent will dilute not working in the following day.
Output:
3