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.

Input: Consider Input: Most uncomfortable shoe insoles I've ever purchased. Literally feels like there are rocks on the bottom of the soles. Extremely painful/uncomfortable.

Output: 1

Input: Consider Input: This board could have been a perfect board for my son, but the stain does not come out from white board and the white board plastic (the materiel) started getting wrinkles. It is difficult to get any thing out of white board for adults, kids cannot remove it at all with the eraser or a cloth.

Output: 1

Input: Consider Input: Fits well but does NOT stick. Only has adhesive around the edges. Once you think it's on, one corner pops up and then causes the whole side to come off. Wish it would've had adhesive over the whole thing.
Output: 1