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:
Installation was easy and clarity was good but it is not case friendly. With an otterbox, the protector didn't sit flush with the screen so it was very difficult to use the touchscreen. We had to take it off so buying these was a waste of money

Ex Output:
2

Ex Input:
Excellent main character with integrity. Good read for fans of military and black ops fiction . I enjoyed the fair treatment of military from all branches and numerous wars. The true heroes are humble - this book was a good reminder

Ex Output:
4

Ex Input:
We used them outdoors, still lots of mosquitoes, we went inside and there were mosquitoes already there, the turned 2 of these on and still got bit. DOES NOT WORK

Ex Output:
1