You will be given a definition of a task first, then some input of the task.
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.

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.
Output:
3