Detailed 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.
Q: They do not come very sharp. I should've sharpened them before installing, but didn't trust my gut. Now I need to remove them and sharpen before mowing again. They left a lot of grass uncut. My 3 year old factory blades that have been through hell and back did a better job than these.
A:
3