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: THis product (which i am not allowed to return) has ingrediants of salt, spices, hydrolysed soy protein, that last item is the common industry con for adding msg to your food. Every soup on your grocers shelf contains msg, but, i digress. So, the third ingrediant is a form of MSG, further down the ingrediant list is proudly displayed ... Monosodium Gludamate, ...MSG. This does not add spice to your food, it stimulats your tongue into feeling that the food tastes good, when IT DOES NOT. MSG can make dogfood taste like hamburger. anyone who thinks this is making their food taste cajun may be serving ALPO.  Tones and Durkee (sp) do not contain MSG, I prefer Tones!  I have 8 eight ounce cans of this stuff.. would anybody like to buy some hamburger from me?
Example Output: 1

Example Input: This tea is not so tasty in my opinion. But one thing about opinions is that every one has one and we do not always agree.
Example Output: 3

Example Input: These cups work for the most part except for the fact that all most all of them leak out the top of the cap. All seem to wick some leakage through the paper filter at the cap and cup joint and approximately 10-15% overflow and leak around the cup and down the sides providing some grounds with the coffee.
Example Output:
3