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 bought this awhile back. This mattress is quite firm so if you aren't looking for that, I would probably avoid this mattress. It expanded just as expected and was definitely a great mattress considering how cheap it was.
A:
4