Definition: 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.
Input: It's a world most of us will never know, so why not believe? Plenty of American heroes, a great WWII yarn, and mankind is saved. The boy and the girl find each other.
Output:
5