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.
Q: The canisters are easy to use, and when you finish them, you can send them back for a refund of the deposit. I contacted customer service to get a shipping label, and they were very helpful and friendly. It doesn't hurt that the company is based in Ann Arbor - Go Blue!
A:
5