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:
love the ease of having green natural tea anywhear any time . tastes great i love this stash green tea

Ex Output:
5


Ex Input:
Good quality nectar.  Very tasty.  However, I was expecting 46 fluid ounces, not 46 ounces in weight.  I find that 46 ounces in weight makes about 32 fluid ounces.

Ex Output:
4


Ex Input:
Delicious and nutritious! We live for coconut and nut treats since we don't eat grains. When I want to splurge, I pick up a bag of these from Whole Foods or my local indie health store. They average around $10 here unless they're on sale. :) I'd looove to be able to buy these in bulk. YUM YUM!

Ex Output:

5