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.

Have owned these slippers before and they were sooooooooo comfy. This pair were very stiff and uncomfortable. Not nearly as soft as my original pair. Very difficult to walk in.

2