Given the task definition and input, reply with output. 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.

For years, I've wished that DeOxit had a built-in straw - my wish has come true! This makes this product flawless. Use it on anything electrical that's being disagreeable - bad switches, corroded wiring points, scratchy volume pots. You name it!
5