In this task, you're given a review from Amazon's food products. 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 or mixed, 4: good, 5: extremely good. 

Ex Input:
A little more money than your average cookie, but VERY much worth it.  You will not find a cookie like this anywhere else!

Ex Output:
5


Ex Input:
I guess everyone's taste buds are different.  This product didn't work for me.  Every food item tasted as it should :-(

Ex Output:
1


Ex Input:
This food is working well for my 19 1/2 year-old-cat with kidney problems.  But I can't find any info on how many cans are included for this price?  I'm guessing 24 cans based on shipping weight and the price, but I won't buy without better info.

Ex Output:

3