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: Was very good the first 6 months of use due to the mist expelled off center, once the mist began shooting straight up, it would fall back on to the Unit itself and leave a pool of water and miscalculated the relative humidity of the room since it would be very humid around the unit.
Output:
3