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.

Significant rainbow effect unfortunately. It fits very well. Well cut. I did my absolute best to pay attention to the installation instructions. I used all the cleaning items. I pressed it flat. I don't know what else I could have done. Returning it
3