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.

This is a decent product--and very simple. It does not- as far as I can see-cause any skin issues--and has little scent. It is however housed in a ridiculous large brown box--that makes no sense--and is very difficult to open
4