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: I bought this for my son for Christmas around black Friday. It said it might not be here for Christmas so I wasn't holding my breath. The seller sent them out immediately and I had them in my hands much sooner than I expected. They are great quality and my son loves them!
Example Output: 5

Example Input: Comfortable, higher waist to keep my booty in check. They're very long though, I'm 5'7" and I need to cuff them. The only thing I don't like is that the seams are quite prominent and can be scratchy. After a couple washes it was fine though.
Example Output: 4

Example Input: The insulation of the bottle is very good, but what is annoying is the system for opening up the straw. There is a little plastic part that you need to use to pull out the straw. That thing broke within two weeks and now it is extremely hard to open the straw
Example Output:
2