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]: The stamp on this is nice to use but as soon as I put it in place, the color bleeds into the surrounding pores. It doesn't stay the shape it's supposed to unfortunately. Great concept but definitely need to tweak the formula of the liquid.
[A]: 2

[Q]: I was sceptical that it would relieve pain I had in my knee when exercising. However it worked perfectly and I now use it whenever cycling or walking distance. The velcro is extensive and it is well made. Looks like it should last some time.
[A]: 5

[Q]: A good, solid sport watch. Easy to read display, uncomplicated, sturdy construction. The band is comfortable if a bit flimsy feeling but at this price it's hard to complain. I like it.
[A]:
4