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.

Example Input: Best betta food on the market! Just make sure you soak the pellets for at least five minutes in tank water before feeding your fish. You would be surprised at how large they get.
Example Output: 5

Example Input: This watch is small which isn't necessarily bad but unfortunately the strap is really short. I would say it's really a kids watch but that said I think a lot of kids would love to have it. Anyway, I find it very easy to read, even without my glasses on.
Example Output: 3

Example Input: Worked great the first few times I have used it. My little guy is 8 weeks old now and both pumps have holes in the bottom like it's splitting at the seam. It now doesn't hold any milk. I've only used them a total of 10 times..
Example Output:
2