Instructions: 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: Bought the light blue pair and loved them, however the black pair was a completely different material and not stretchy at all like the others. I was very let down
Output:
3