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: I have bought two pairs of these, one teal frame and one black frame. I like the size/shape and the gray lenses. However, both pairs have started deforming on the ear ends and are rippled and bumpy.
A:
3