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: Was suppose to receive this phone case on Saturday and still has not been delivered. Really disappointed in the fact that I have the option to track package but has never been updated. Will never buy from them again.
Example Output: 1

Example Input: Seat is really wide. Seat Material is soft vinyl gets very hot from sun and doesn't breathe. Springs suspension is ok, better off with a lever action suspension seat post.
Example Output: 1

Example Input: Love this playpen, it was very very easy to put together, just open and zip in the bottom. Bought this for my grandsons pet mini lop bunny and he has plenty of room to hop around and my grandson likes to get in it with the bunny too. I would recommend for any small animal.
Example Output:
5