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: Love the lenses! My only issue is that with the telephoto lens, I can still see a dark circle around my photos no matter how much I try to center it. But can't complain too much. Lenses are great!
Example Output: 4

Example Input: I had a multi card reader that was at least 10 years old which limited my ability with some of the newer, faster and larger cards so I decided to upgrade. Very impressed with this card reader. I tested it out as soon as it arrived. Compact and a great value for all that it does. Highly recommended.
Example Output: 5

Example Input: I was supposed to receive two boxes and only received one. Amazon what is wrong with the packaging department? That huge envelope for one box? Amazon is getting worse with product quality.
Example Output:
1