In this task, you're given a review from Amazon's food products. 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 or mixed, 4: good, 5: extremely good.

Ex Input:
This is a great product, we have made custard with it for years and it always makes great custard. We will purchase this product again. Amazon does a great job of getting us our purchases fast and without damage.

Ex Output:
5

Ex Input:
This is a good idea in theory but doesn't work well in practical application. The things do not all cook property. About half of them are puffed, some are partially puffed and the rest won't puff no matter how much you cook them. I follow instructions, measure and have a good microwave. I usually have to cook twice as long as stated to get any puffing at all. The flavor is ok but just awful compared to commercial pork rinds purchased in the grocery store. I also end up with very little that I can eat out of a batch. They also taste just awful.

Ex Output:
1

Ex Input:
Amazon's price may be higher than some grocery stores, but it isn't in my store so this is a good way to shop. I first tried this on a Princess cruise ship. I found it is very good and filling. It stays with me, which is very important. I am super please to find this!

Ex Output:
5