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: I have been waiting for a very long time. My order was never received even though the records show it as delivered. I was here all day, that includes the time of 'delivery'. The package was never delivered.
Output:
1