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.
Q: Bought for my son. Very easy to use, however, the first time it was used water went all over the place so it takes time to learn how to best use it so this doesn't happen.
A: 
5