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.
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Question: Claimed to fit Coralife RO system It does not. Too tall. Didn't need to change them until last week. That's when my aquarium maintenance guy showed me that it was impossible. Disappointing, now the return window is closed.

Answer: 3

Question: This is pretty but it is very thin. It would be perfect for a summer evening with a chill in the air but if you want it to keep you warm in the winter? Well it won't.

Answer: 4

Question: Our students in our chemistry class were having a hard time setting up alcohol burners. Our teacher decided to purchase this instead and they are fabulous, easy to control flame, reliable and durable metal. I highly recommended.Great product!

Answer:
5