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. 

Example Input: there is a taste of sugar substitute, the aftertaste turns me off, I've even tried using a little bit of milk in the mug before hand to hide the taste. It didn't, so i'm just using Swiss miss powder and a little milk to make it a creamier hot chocolate before using using my keurig.
Example Output: 2

Example Input: Brew style: french press, espresso Smell: Nothing special here, decent 'coffee' smell with some earthiness.  No caramel notes, no sweetness. Taste: Mild, earthy, somewhat smokey, dirty mouth feel, finish is short.  I mostly brew with a french press but i tried it in my espresso maker just to see how it would fair.  The caffeine seemed very pronounced to me, there was no sweetness to speak of.  It did have a very nice crema though. Overall: I wont be buying this again, its nothing special.
Example Output: 3

Example Input: This sauce is good, but for my tastes it isn't hot enough.  I have had other brands tht have a sleeper heat that makes the sauce multi layered.  This sauce seems to ahve one layer.
Example Output:
4