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: The trunks are fine when new. However, within 4 months of normal use (I swim 2-3 times a week at a pool), my black trunks have faded into a strange green color.
Output:
2