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.

Ex Input:
Didn't last very long! Gave it to a friend after I upgraded phones and it only lasted her about a week until it rarely would charge the phone. Planning on returning it.

Ex Output:
2

Ex Input:
I am pleased with the product, but I expected a larger quantity .......... very small container about the size of a US Nickle, if used sparingly you can get 2-3 whole long nails out of this amount. So if you expect to do more you will require to have a few more in your supply.

Ex Output:
4

Ex Input:
These fit the machine as described, came in good packaging no scratches, they only reason for a 4 star is the passenger side door was bent out slightly at the bottom, but still did the job. great product

Ex Output:
4