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: Switched to this product after suggestion by my friend. Liked the no chemicals and Organic ingredients approach. I can feel my hair different after a Couple of weeks of use.
A: 
5