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: It was easy to use yes. But it didn't hardly give any color. The color I had was very spotty! It took using over half of the bottle to even start to notice anything.
Example Output: 1

Example Input: Want to burn music CDs from iTunes? This drive will fail. Want to watch DVDs using VLC Player? This drive won't play them. Want to burn a bunch of files, or read a DVD full of data - this drive is great. Want to burn a data DVD or a data CD? This drive will do it just fine, at 24x speed. If you want full function, then you need to run Win 7. It's not the drive's fault, it's just the Way Win 10 plays with the drive.
Example Output: 4

Example Input: My 15 month old puppy loves this food. Very expensive but worth it. Discovered the food I was feeding her had high levels of Glyphosate. Have had several rescue dogs die of cancerous tumors even though my yard has never had chemicals sprayed.
Example Output:
4