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:
This people is a must have especially to take xlr over to usb it provides un  interrupted audio flow during recording and provides phantom power. Great invention !

Ex Output:
5


Ex Input:
Makes pretty good cocoa and a lot easier than on the stovetop.  Not as sweet as I would prefer and needs to be stirred to keep it in suspension.  I guess I can add marshmallows:-)

Ex Output:
3


Ex Input:
When I first took a bite, I seriously thought I was eating dog food.  These are disgusting.  I searched the bag for "dog food" and the expiration date thinking that it was bad for one of those reasons.  I don't know how anyone can like these.

Ex Output:

1