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: This fan is very powerful, it clips wherever you need it. Would have given it 5 stars, except it was missing some screws. Otherwise it has exceeded my expectations. I love this fan.
A:
4