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: One of these did not function at all. The other two work perfectly. We have been using them for the past month or so and no signs of cracking or anything.
A:
3