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:
After having this on my lips for 20 minutes they started tingling in a way that reminded me of an old plumbing lip gloss I had long ago. My lips definitely felt more swollen afterward, however I suspect the only one who could notice a difference was me.

Ex Output:
3

Ex Input:
I was disappointed in how the book ended. She could have expanded more on the storyline of Celine dealing with her cancer and her relationship ending with her husband. It's not one of her better published works.

Ex Output:
3

Ex Input:
Per the product description, I was to get the drying rack, cleaning mat, and the brush cleaner. I received only the rack. Emailed the company, they did make a mistake and asked me to take a photo of what I did recieve. This was last week and I have not heard back even after a follow up email. However, the drying rack serves its purpose.

Ex Output:
2