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.

Ex Input:
Definitely a waste of money, two out of the three that we put on our phones have already lost stickiness/keep coming off the phone, and one completely just broke after a day of use.

Ex Output:
2

Ex Input:
Only lasted a month before refusing to reconnect even after resetting. The instructions and set up website have poor grammar; I think this is a cheap Chinese knockoff-esque type of product.

Ex Output:
1

Ex Input:
The honing rod is great. As a cook in a hotel kitchen, I would recommend this for professional or home use. Because this one is such a fine grit, i would suggest possibly a diamond rod or a coarse ceramic as well.

Ex Output:
4