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:
On top of the delightful aspartame, this comes complete with hydrogenated oils and is a dead ringer for Country Time Lemonade mix.

Ex Output:
1

Ex Input:
Work well and made solidly. For whatever reason the Keurig takes longer to complete the brewing cycle when using these cups and the liquid bleeds through the filter on the outside of the cup making a small mess. They do the job as intended but could use a different type of filter to make the experience less messy.

Ex Output:
3

Ex Input:
I guess my palate is not as sophisticated as I had thought. I'm a rather adventurous diner but this truffle oil really cashed me out. I tried it on scallops and pretty near had to trash them. I have no idea what amuses people about truffle oil. I gave mine away (ananomously).

Ex Output:
1