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: 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.
Example Output: 1

Example Input: I have carefully read this guide and extracted a lot of knowledge from it. Which has been instrumental in shaping my career. Moreover, I was able to learn the programming language and manage applications very easily. Thanks.
Example Output: 4

Example Input: If you are never going to wash your window or get dust on it maybe it won't scratch instantly... Little twigs hit it and it scratches.... Haven't been able to see out of it since the second ride I went on... JUNK
Example Output:
1