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: two of the disc cases were damaged, probably due to transport. the series itself is extremely well drawn and extreme in every in every sense. Thoroughly enjoyable. Buy it, you won't regret it
Example Output: 5

Example Input: Though I did not notice a major difference in my blue light exposure I definitely found it easier to fall asleep after a full day of using devices within my workplace and also at home for leisure
Example Output: 4

Example Input: I specifically asked for carmine red and instead got a different color. It's just frustrating to now have to do the extra work of packaging, returning, and hopefully I get the correct wallet. Clearly the label is correct on the box except for the item. Pretty sad
Example Output:
1