Detailed Instructions: In this task, you're given a review from Amazon's food products. 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 or mixed, 4: good, 5: extremely good.
Q: Revolution's teas are superb. Smooth and delicate, each one has been pleasant, comforting and a pure delight. I've tried this one, the pomegranate, as well as ginger peach, Dragon Eye Oolong, and white pear.
A:
5